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| B.C. Reg. 26/58 O.C. 1004/58 |
| This archived regulation consolidation is current to December 31, 2013 and includes changes enacted and in force by that date. For the most current information, click here. |
[includes amendments up to B.C. Reg. 145/2013, April 1, 2013]
Division 29 — Air Pollution Controls on Motor Vehicles
29.01In this Division:
"Act" means the Motor Vehicle Act;
"crankcase" means the enclosure within a motor vehicle engine that is connected to the oil pump by internal passages through which gases and vapours may flow;
"crankcase emissions" means air contaminant emitted to the atmosphere through any opening in the crankcase;
"engine displacement" means the product expressed in litres, resulting from the multiplication of the total cross sectional area of the cylinders of the motor vehicle engine expressed in cm2, and the piston stroke expressed in cm;
"evaporative emissions" means any hydrocarbon component motor gasoline emitted to the atmosphere from the fuel tank or carburettor of a motor vehicle;
"exhaust emissions" means air contaminant emitted to the atmosphere from any opening downstream from the exhaust port of a motor vehicle engine;
"exhaust emission system" means the exhaust port, exhaust manifold, exhaust pipe, muffler, tail pipe, and the systems or devices incorporated therein or connected therewith to prevent or lessen the emission of air contaminant to the atmosphere;
"gross vehicle weight" means the manufacturer's gross weight rating;
"heavy duty vehicle" means a bus, chassis cab, multi-purpose passenger vehicle or a truck having a gross vehicle weight of more than 2 800 kg, for which a motor vehicle licence is required under this Act or the Commercial Transport Act;
"light duty vehicle" means a passenger car or any motor vehicle having a gross vehicle weight of 2 800 kg or less, for which a motor vehicle licence is required under this Act or the Commercial Transport Act;
"model" means a class of motor vehicle designed, constructed and assembled by the manufacturer for a particular purpose and designated as a model by the manufacturer during a model year;
"model year" means the annual period of manufacturing of motor vehicles in the 12 month period designated by the manufacturer or, in the absence of such designation, the 12 month period beginning on the first day of January of the year in which the manufacturer begins;
"motor vehicle engine" means the engine of a motor vehicle and includes the exhaust emission system;
"opacity" means the fraction of a beam of light, expressed as a percentage, that fails to penetrate the exhaust emission;
"system or device" means any modification of a motor vehicle or motor vehicle engine which prevents or lessens the emission of air contaminant to the atmosphere;
"ultimate purchaser" means the person to whom a motor vehicle is first sold for purposes other than resale.
[en. B.C. Reg. 229/70; am. B.C. Reg. 343/77.]
29.02(1) Subject to subsection (2), every class or type of motor vehicle or motor vehicle engine manufactured on or after January 1, 1971, for which a British Columbia motor vehicle licence is required under the Act or the Commercial Transport Act shall have installed or incorporated in it a system or device that complies with the provisions of this Division.
(2) The following classes or types of motor vehicles and motor vehicle engines are exempt form the requirements of subsection (1):
(a) motor vehicle engines having an engine displacement of less than 0.8 litres;
(b) motor vehicles with a motor vehicle engine having a displacement of less than 0.8 litres;
(c) motorcycles;
(d) light duty vehicles forming part of a manufacturer's total annual sales volume in British Columbia where the total annual sales volume in British Columbia of that manufacturer does not exceed 50 light duty vehicles.
[en. B.C. Reg. 229/70; am. B.C. Reg. 343/77.]
29.03(1) A system or device installed on or incorporated in a motor vehicle or motor vehicle engine as required by section 29.02 shall, during the operation of the motor vehicle or motor vehicle engine, operate or function in such manner as to comply at all times with the requirements of this Division.
(2) A system or device
(a) shall not cause emission to the atmosphere of any air contaminant that would not be emitted to the atmosphere during the operation of the motor vehicle or motor vehicle engine if it were not equipped with the system or device, and
(b) shall not cause or contribute to any unsafe condition endangering persons or property.
(3) Compliance or non-compliance with the requirements of this Division shall be determined by test methods approved by the Insurance Corporation of British Columbia.
[en. B.C. Reg. 229/70; am. B.C. Reg. 413/97, App. 1, s. 2.]
29.04The crankcase of a gasoline or gaseous powered motor vehicle engine shall be constructed in such manner and maintained in such condition that crankcase emissions are not discharged into the atmosphere.
[en. B.C. Reg. 229/70; am. B.C. Reg. 323/92.]
29.05The manufacturer of any motor vehicle or motor vehicle engine on or in which a system or device is installed or incorporated, for the purpose of complying with the requirements of section 29.04, shall test or cause to be tested as many motor vehicles and motor vehicle engines as may be required to ensure that the motor vehicles or motor vehicle engines meet the requirements of section 29.04 for a period of not less than one year after the sale and delivery of the motor vehicle or motor vehicle engine to the ultimate purchaser.
[en. B.C. Reg. 229/70.]
29.06The hydrocarbon and carbon monoxide content of the exhaust emissions of a gasoline powered motor vehicle engine shall not exceed
(a) in the case of hydrocarbons,
(i) 2.2 grams per 1.6 vehicle km for a light duty vehicle, or
(ii) 275 parts per million by volume for a heavy duty vehicle, and
(b) in the case of carbon monoxide,
(i) 23 grams per 1.6 vehicle km for a light duty vehicle, or
(ii) 1.5% by volume for a heavy duty vehicle.
[en. B.C. Reg. 229/70; am. B.C. Reg. 343/77.]
29.07The requirements of section 29.06 apply to composite values calculated under section 29.18 from results obtained in tests of exhaust emissions from the operation of the motor vehicles and motor vehicle engines in accordance with the test procedures of
(a) section 29.08 (c) and section 29.10 for light duty vehicles, or
(b) section 29.13 (b) and section 29.14 for heavy duty vehicles.
[en. B.C. Reg. 229/70.]
29.08Procedures for selecting, testing and inspecting exhaust emission control systems or devices installed on or incorporated in a gasoline powered light duty vehicle shall be as follows:
(a) four motor vehicles of each engine displacement shall be run for emission data, except that
(i) where projected sales volume of a manufacturer of motor vehicles of such engine displacement represents less than 1/2 of 1% of the last preceding model year's total sales in British Columbia of all motor vehicles of that manufacturer, a total of 2 motor vehicles of such displacement may be tested, and
(ii) in all cases the manufacturer shall accumulate test data on a minimum of 4 motor vehicles;
(b) the motor vehicles selected under paragraph (a) and used for testing of motor vehicle engines shall be
(i) those motor vehicles in which the manufacturer usually installs such engines, and
(ii) equipped as nearly as possible with kinds and combinations of transmissions and carburettors in proportion to the number of comparable motor vehicles so equipped in the last preceding model year of the manufacturer;
(c) the motor vehicles selected under paragraph (a) for amounts of hydrocarbons and carbon monoxide in exhaust emissions shall be
(i) driven a distance of at least 6 000 km with all emission control systems or devices installed and operating, and
(ii) tested for the amounts of hydrocarbons and carbon monoxide in the exhaust emissions by running on an engine dynamometer from a cold start through 7 identical testing cycles without stalling of the motor vehicle engine and with each cycle lasting 137 seconds and including a series of periods of acceleration, deceleration, steady speed and idling;
(d) in addition to the selection of motor vehicles for testing of exhaust emissions under sections 29.09 and 29.10, the manufacturer shall, subject to section 29.11, select not fewer than 4 and not more than 12 motor vehicles for tests of durability of the systems or devices or of the exhaust emission system.
[en. B.C. Reg. 229/70; am. B.C. Reg. 343/77.]
29.09Where, pursuant to section 29.08 (b), a manufacturer makes tests of motor vehicles and installs a combination of engine and transmission systems in more than one model of motor vehicle, the manufacturer may make only one series of tests of exhaust emissions and where the combination of such engine and transmission system in any motor vehicle may increase the amount of hydrocarbons and carbon monoxide in the exhaust emissions, tests shall be carried out in respect of every motor vehicle.
[en. B.C. Reg. 229/70.]
29.10The hydrocarbon and carbon monoxide content of the exhaust emissions referred to in section 29.08 (c) shall be
(a) measured for each period of the first 4 cycles and the last 2 cycles of the 7 testing cycles, and
(b) recorded in respect of each motor vehicle engine so that a value, expressed as grams per motor vehicle mile and representative of the hydrocarbon and carbon monoxide content in the exhaust emissions during the periods of the 6 recorded testing cycles, is obtained for that engine for the purposes of section 29.08.
[en. B.C. Reg. 229/70.]
29.11(1) In the selection of motor vehicles for the testing of durability, for the purposes of section 29.08 (d), the manufacturer shall have regard to the combinations of engine displacements and transmissions, including automatic and manual transmission installations, so that the selections represent at least 70% of the number of light duty vehicles sold in British Columbia by that manufacturer during his last preceding model year.
(2) Notwithstanding subsection (1), where the number of motor vehicles sold by a manufacturer in British Columbia in the last preceding model year is less than 10% of the total sales of motor vehicles in British Columbia in the same period, the manufacturer shall have regard to the combination chosen so that the number of motor vehicles tested for durability of the systems of devices or of the exhaust emissions systems shall be not fewer than 4 and not more than 8.
(3) Every motor vehicle selected for tests under the provisions of this section shall represent at least 50% of the number of light duty vehicles sold by the manufacturer during the model year, except that in no case shall fewer than 2 motor vehicles containing each exhaust emission control system or device be tested nor shall the total number of light duty vehicles so tested be fewer than 4.
[en. B.C. Reg. 229/70.]
29.12(1) Every motor vehicle selected for testing pursuant to sections 29.08 (d) and 29.11 shall be driven a distance of at least 80 000 km and tested in the manner set out in section 29.08 (c), the tests to be carried out on each motor vehicle at intervals of not more than 6 000 km, and the results from such tests shall be recorded.
(2) From the results recorded under subsection (1) values shall be calculated for the hydrocarbon and carbon monoxide content of the exhaust emissions over the whole 4 cycle test for each 6 000 km interval for each motor vehicle in the manner set out in section 29.10 and the representative values so obtained shall be used in the calculation of the factor mentioned in section 29.18.
[en. B.C. Reg. 229/70; am. B.C. Reg. 343/77.]
29.13Procedures for selecting, testing and inspecting exhaust emission control systems or devices installed on or incorporated in a gasoline powered heavy duty vehicle shall be as follows:
(a) two motor vehicle engines of each engine displacement emission control system combination shall be run for emission data, except that
(i) where projected sales volume of a manufacturer of motor vehicles of such engine displacement represents less than 1/2 of 1% of the last preceding model year's total sales in British Columbia of all motor vehicle engines of that manufacturer, only one motor vehicle engine is required to be tested for that displacement emission control system combination, and
(ii) in all cases the manufacturer shall accumulate test data on a minimum of 2 motor vehicle engines;
(b) the motor vehicle engines selected for testing under paragraph (a) for amounts of hydrocarbons and carbon monoxide in exhaust emissions shall be
(i) operated a minimum of 125 hours on an engine dynamometer with all exhaust emission control systems or devices installed and operating, after which time the engine shall be switched off for at least one hour, and
(ii) tested for the amounts of hydrocarbons and carbon monoxide in the exhaust emissions, after idling for an initial 5 minute period, running through 4 identical testing cycles, with each cycle lasting 300 seconds, and including a series of periods of acceleration, deceleration, steady speed and idling;
(c) in addition to the selection of combinations of motor vehicle engines and exhaust emission control systems or devices for the testing of exhaust emissions under paragraph (b), the manufacturer shall, subject to section 29.15, select not fewer than 2 and not more than 6 combinations of motor vehicle engines and exhaust emission control systems or devices for tests of durability of the systems or devices or of the exhaust emission system.
[en. B.C. Reg. 229/70.]
29.14The hydrocarbon and carbon monoxide content of the exhaust emissions referred to in section 29.13 (b) shall be
(a) measured for each period for the 4 testing cycles, and
(b) recorded in respect of each motor vehicle engine, so that a value, expressed as grams per motor vehicle kilometre, representative of the hydrocarbon and carbon monoxide content in the exhaust emissions during the periods of the 4 testing cycles, is obtained for that engine for the purposes of section 29.13.
[en. B.C. Reg. 229/70; am. B.C. Reg. 343/77.]
29.15(1) In the selection of combinations of motor vehicle engines and exhaust emission control systems or devices for the testing of exhaust emissions for the purposes of section 29.13 (c), the manufacturer shall make selections representing at least 70% of the number of gasoline powered heavy duty vehicle engines sold in British Columbia by that manufacturer during his last preceding model year.
(2) Notwithstanding subsection (1), where the number of gasoline powered heavy duty motor vehicle engines sold by a manufacturer in British Columbia in the last preceding model year is less than 10% of the total sales of gasoline powered heavy duty motor vehicle engines in British Columbia in the same period, the manufacturer shall have regard to the combinations so chosen so that the number of engines tested for durability of the systems or devices or of the exhaust emission systems shall represent at least 50% of the number of gasoline powered heavy duty motor vehicle engines sold by the manufacturer during such model year, except that in no case shall the total number of such motor vehicle engines so tested be fewer than 2.
[en. B.C. Reg. 229/70.]
29.16(1) Every combination of motor vehicle engines and exhaust emission control systems or devices selected for testing pursuant to section 29.13 (c) and section 29.15 shall be driven on an engine dynamometer for at least 1 500 hours and tested in the manner set out in section 29.13 (b), the tests to be carried out on each motor vehicle engine at intervals of not more than 125 hours and the results from such tests shall be recorded.
(2) From the results recorded under subsection (1) values shall be calculated for the hydrocarbon and carbon monoxide content of the exhaust emissions over the whole 4 cycle test for each 125 hours interval for each motor vehicle engine in the manner set out in section 29.14 and the representative values so obtained shall be used in the calculation of the factor mentioned in section 29.18.
[en. B.C. Reg. 229/70.]
29.17(1) Where, pursuant to the provisions of this Division, recording is made of results of tests for amount of hydrocarbons and carbon monoxide in exhaust emissions in respect of any motor vehicle or motor vehicle engine, 2 composite values, one for hydrocarbons and one for carbon monoxide, shall be determined under section 29.18 for each
(a) engine displacement, in the case of a light duty vehicle, and
(b) combination of engine displacement and exhaust emission control system or device, in the case of a heavy duty vehicle.
(2) The composite values referred to in subsection (1) shall take into account factors of deterioration in efficiency of the system or device installed thereon or incorporated therein resulting from the use of such motor vehicle or motor vehicle engine, in accordance with the procedure set out in section 29.18.
[en. B.C. Reg. 229/70.]
29.18The procedure for the calculation of the composite value of hydrocarbons and carbon monoxide in the exhaust emissions shall be as follows:
(a) for each exhaust emission control system or device, 2 deterioration factors, one for hydrocarbons and one for carbon monoxide, shall be determined by using the results obtained pursuant to section 29.12 or section 29.16 and
(i) plotting 2 graphs, one for hydrocarbons and one for carbon monoxide, of motor vehicle mileage in the case of a light duty vehicle and hours of operation in the case of a heavy duty vehicle against exhaust emission levels for each emission control system or device so tested,
(ii) drawing a straight line by the method of least squares as near as possible to the points plotted on each graph, and
(iii) calculating the deterioration factors in respect of hydrocarbons and carbon monoxide for deterioration in efficiency for each exhaust emissions control system or device in accordance with
(A) in case of a light duty vehicle, the formula
| factor = | exhaust emissions interpolated to 80 000 km |
|
|
|
| exhaust emissions interpolated to 6,000 km |
and
(B) in the case of a heavy duty vehicle, the formula
| factor = | exhaust emissions interpolated to 1 500 hours |
|
|
|
| exhaust emissions interpolated to 125 hours |
(b) the exhaust emission test results of sections 29.08 (c) and 29.10 or sections 29.13 (b) and 29.14 shall be multiplied by the appropriate factor determined in paragraph (a) for hydrocarbons or carbon monoxide for the particular exhaust emission control system or device installed;
(c) for each engine displacement, the results obtained under paragraph (b) shall be weighted in proportion to the projected sales of the motor vehicle represented by each test motor vehicle or test motor vehicle engine;
(d) for each engine displacement, the weighted results obtained under paragraph (c) shall be averaged;
(e) for each engine displacement, the exhaust emissions to be compared with the standard of section 29.06 shall be the averaged values for hydrocarbons and carbon monoxide obtained under paragraph (d).
[en. B.C. Reg. 229/70; am. B.C. Reg. 343/77.]
29.19The opacity of the exhaust emissions of a diesel powered heavy duty vehicle shall not exceed
(a) 40% during the acceleration mode, and
(b) 20% during the lugging mode.
[en. B.C. Reg. 229/70.]
29.20The requirements of section 29.19 apply to composite values calculated under section 29.26 from results obtained in tests of exhaust emissions from the operation of the motor vehicle engines in accordance with the test procedures of sections 29.21 (b) and 29.22.
[en. B.C. Reg. 229/70.]
29.21Procedures for selecting, testing and inspecting exhaust emission control systems or devices installed on or incorporated in a diesel powered heavy duty vehicle shall be as follows:
(a) the manufacturer shall divide his production of such motor vehicles into engine groups, each group consisting of
(i) a specific combination of combustion cycle,
(ii) cylinder configuration and dimensions, and
(iii) method of air aspiration and fuel feed,
and shall select from each group for testing of opacity of exhaust emissions 2 motor vehicle engines that feature the highest fuel feed per stroke, primarily at the speed of maximum torque and secondarily at rated speed;
(b) the diesel motor vehicle engine selected for testing under paragraph (a) for opacity of exhaust emissions shall be
(i) operated on an engine dynamometer for at least 125 hours with the dynamometer and engine adjusted so that the engine is operating at 95 to 100% of rated speed and at 95 to 100% of maximum rated horsepower,
(ii) preconditioned by being operated for 10 minutes at a maximum rated horsepower immediately after the engine has operated as required in subparagraph (i), and
(iii) tested for opacity of exhaust emissions by being operated through 3 cycles, each consisting of periods of accelerating and lugging, with a 5 minute period of idling between each cycle;
(c) in addition to the selection of diesel powered motor vehicle engines for testing of opacity of exhaust emissions under paragraph (b), the manufacturer shall, subject to section 29.26, select from each group mentioned in paragraph (a), for tests of durability and lifetime opacity of exhaust emissions, one such motor vehicle engine that features the highest fuel feed per stroke primarily at rated speed and secondarily at the speed of maximum torque.
[en. B.C. Reg. 229/70.]
29.22The opacity of the exhaust emissions referred to in section 29.21 (b) shall be recorded during the whole of each of the 3 cycles, and from these records, values representative of the opacity of the exhaust emissions during the 3 acceleration periods and 3 lugging periods shall be obtained for the purposes of section 29.26.
[en. B.C. Reg. 229/70.]
29.23(1) In the selection of engine groups for the testing of opacity of exhaust emissions, for the purposes of section 29.21 (c), where the number of diesel powered heavy duty motor vehicle engines sold by a manufacturer in British Columbia in the last preceding model year is less than 5% of the total sales of diesel powered heavy duty motor vehicle engines in British Columbia in the same period, the manufacturer shall not be required to test more than 4 motor vehicle engines.
(2) The engines selected for tests under the provisions of this section shall be selected from the groups of motor vehicle engines in order of projected sales volume and shall
(a) represent as many groups as possible,
(b) include at least one diesel motor vehicle engine using each combustion cycle, and
(c) include one diesel motor vehicle engine using each method of air aspiration included in the projected production of the manufacturer.
[en. B.C. Reg. 229/70.]
29.24(1) Every diesel powered motor vehicle engine selected for testing pursuant to sections 29.21 (c) and 29.23 shall be driven on an engine dynamometer for at least 1 000 hours with the dynamometer and the motor vehicle engine so adjusted that the motor vehicle engine is operating at 95 to 100% of rated speed and at 95 to 100% of maximum rated horsepower and tested in the manner set out in section 29.21 (b), the tests to be carried out on each motor vehicle engine at intervals of not more than 125 hours, and the results from such tests shall be recorded.
(2) From the results recorded under subsection (1) values shall be calculated for the opacity of exhaust emissions over the whole 3 cycle test for each 125 hour interval for each motor vehicle engine in the manner set out in section 29.22 and the representative values so obtained shall be used in the calculation of the factor mentioned in section 29.26.
[en. B.C. Reg. 229/70.]
29.25Where, pursuant to the provisions of this Division, recording is made of results of tests for the opacity of exhaust emissions in respect of any diesel powered heavy duty motor vehicle engine, composite values for acceleration and lugging modes shall be determined, under section 29.26 for each group of such motor vehicle engines, taking into account factors of deterioration in efficiency of the system or device installed thereon or incorporated therein resulting from the use of such motor vehicle engines, in accordance with the procedure set out in section 29.26.
[en. B. C. Reg. 229/70.]
29.26The procedure for the calculation of the composite value of opacity during the acceleration mode and the lugging mode shall be as follows:
(a) for each motor vehicle engine tested, 2 emission deterioration factors, one for the acceleration mode and one for the lugging mode, shall be determined by using the results obtained pursuant to section 29.29, and
(i) plotting 2 graphs, one for the acceleration mode and one for the lugging mode, of hours of operation against the percentage of opacity during the relevant mode for each engine so tested,
(ii) drawing a straight line by the method of least squares as near as possible to the points plotted on each graph, and
(iii) calculating the deterioration factors in respect of the acceleration mode and the lugging mode for deterioration in efficiency of the system or device for each motor vehicle engine in accordance with the formula
| percentage opacity interpolated to 1 000 hours | ||
| factor | = | minus |
| percentage opacity interpolated to 125 hours | ||
(b) for each group of such motor vehicle engines, the exhaust emission test results from each of the 2 motor vehicle engines tested under sections 29.21 (b) and 29.22 shall be added to the appropriate factor determined under paragraph (a) for the acceleration mode or the lugging mode of the appropriate motor vehicle engine representing that group, or, if that group is not represented, shall be added to the appropriate factor of the motor vehicle engine tested under sections 29.21 (b) and 29.22, having the same combustion cycle and the same method of air aspiration and, as near as possible, the same fuel feed per stroke;
(c) for each group of motor vehicle engines, the opacity values to be compared with the standard of section 29.19 shall be the averaged opacity values of the 2 motor vehicle engines of that group obtained under paragraph (b).
[en. B.C. Reg. 229/70.]
29.27The evaporative emissions from a light duty vehicle shall not exceed 6 grams of hydrocarbons per test.
[en. B.C. Reg. 229/70.]
29.28The requirements of section 29.27 apply to a composite value calculated under section 29.35 from results obtained in tests of evaporative emissions from the operation of a motor vehicle in accordance with the test procedures set out in section 29.29 (c) and sections 29.30 and 29.31.
[en. B.C. Reg. 229/70.]
29.29Procedures for selecting, testing and inspecting evaporative emission control systems or devices installed on or incorporated in a motor vehicle to prevent or lessen the emission into the atmosphere of evaporative emissions from the operation of the motor vehicle shall be as follows:
(a) four motor vehicles of each engine displacement shall be run for emission data, except that
(i) where projected sales volume of a manufacturer of motor vehicles of such engine displacement represents less than 1/2 of 1% of the last preceding model year's total sales in British Columbia of all motor vehicles of that manufacturer, a total of 2 motor vehicles of such displacement are required to be tested, and
(ii) in all cases, the manufacturer shall accumulate test data on a minimum of 4 motor vehicles;
(b) the combinations of motor vehicles and motor vehicle engines selected under paragraph (a) and used for the testing of evaporative emissions shall
(i) be those combinations usually produced for sale by the manufacturer, and
(ii) be equipped as nearly as possible with kinds and combinations of transmissions and carburettors in proportion to the number of comparable motor vehicles so equipped in the last preceding model year of the manufacturer;
(c) the motor vehicles selected for testing under paragraph (a) for amounts of evaporative emissions shall be
(i) driven a distance of at least 6 000 km with all evaporative emission control systems or devices installed and operating, and
(ii) tested for the amounts of evaporative emissions as prescribed in section 29.30;
(d) in addition to the selection of motor vehicles for testing of evaporative emissions under paragraphs (b) and (c) and section 29.30, the manufacturer shall, subject to section 29.35, select not fewer than 4 and not more than 12 motor vehicles for tests of durability of the evaporative emission control systems or devices and in the selection the manufacturer shall have regard to the combinations of engine displacements and transmissions, including automatic and manual transmission installations, so that the selections represent at least 70% of the number of light duty vehicles sold in British Columbia by that manufacturer during his last preceding model year.
[en. B.C. Reg. 229/70; am. B.C. Reg. 343/77.]
29.30Each test pursuant to section 29.29 shall consist of 3 parts which shall be performed in sequence and without any interruption between each part, by
(a) installing previously weighted hydrocarbon vapour collection devices on all fuel system external vents, then heating, by artificial means, the fuel in the tank of the motor vehicle to a temperature between 28° and 30° C, over a period of not less than 50 minutes and not more than 70 minutes, after which time the motor vehicle shall be moved on to a dynamometer,
(b) running the motor vehicle on an engine dynamometer from a cold start through 9 identical testing cycles without stalling of the motor vehicle engine and with each cycle lasting 137 seconds and including a series of periods of acceleration, deceleration, steady speeds and idling, and
(c) permitting the motor vehicle to stand for a period of one hour at an ambient temperature between 24° and 30° C, after which time the hydrocarbon vapour collection devices shall be removed from the motor vehicle and sealed.
[en. B.C. Reg. 229/70; am. B.C. Reg. 343/77.]
29.31The evaporative emissions of section 29.29 (c) shall be obtained by reweighing the previously weighted hydrocarbon vapour collection devices and the increase of weight of such devices shall be recorded in respect of each motor vehicle so that a value, expressed as grams of hydrocarbons per test, is obtained for that motor vehicle and motor vehicle engine for the purposes of section 29.35.
[en. B.C. Reg. 229/70.]
29.32In the selection of motor vehicles for the testing of evaporative emissions, for the purposes of section 29.29 (d), where the number of motor vehicles sold by a manufacturer in British Columbia in the last preceding model year is less than 10% of the total sales of motor vehicles in British Columbia in the same period, the manufacturer shall have regard to the combination chosen so that the number of motor vehicles tested for durability of the evaporative emission control systems or devices shall be not fewer than 4 and not more than 8 and shall represent at least 50% of the number of light duty vehicles sold by the manufacturer during such model year.
[en. B. C. Reg. 229/70.]
29.33(1) Every motor vehicle selected for testing pursuant to sections 29.29 (d) and 29.32 shall be driven a distance of at least 80 000 km and tested in the manner set out in section 29.30, the tests to be carried out on each motor vehicle at intervals of not more than 6 000 km, and the results from such tests shall be recorded.
(2) From the results recorded under subsection (1), values shall be calculated for the evaporative emissions during each test for each 6 000 km interval for each motor vehicle in the manner set out in section 29.31 and the representative values so obtained shall be used in calculation of the factor mentioned in section 29.35.
[en. B.C. Reg. 229/70; am. B.C. Reg. 343/77.]
29.34Where, pursuant to the provisions of this Division, recording is made of results of test for amounts of evaporative emissions in respect of any motor vehicle or motor vehicle engine, a composite value shall be determined under the provisions of section 29.35 for each engine displacement, which composite value shall take into account factors of deterioration in efficiency of the system or device installed thereon or incorporated therein resulting from the use of such motor vehicle or motor vehicle engine, in accordance with the procedure set out in section 29.35.
[en. B.C. Reg. 229/70.]
29.35The procedure for the calculation of the composite value of the evaporative emissions shall be as follows:
(a) for each combination of exhaust emission control systems or devices and evaporative emission control systems or devices, an evaporative emission deterioration factor shall be determined by using the results obtained pursuant to section 29.33 and
(i) plotting a graph for each combination of exhaust emission control systems or devices and evaporative emission control systems or devices of motor vehicle mileage against the evaporative emission values so obtained,
(ii) drawing a straight line by the method of least squares as near as possible to the points plotted on each graph, and
(iii) calculating the deterioration factor in respect of evaporative emissions for deterioration in efficiency for each combination of exhaust emission control systems or devices and evaporative emission control systems or devices in accordance with the formula
| evaporated emissions interpolated to 80 000 km | ||
| factor | = | minus |
| evaporated emissions interpolated to 6 000 km | ||
(b) the evaporative emission test results from each motor vehicle tested under sections 29.29 (a), 29.30 and 29.31 shall be added to the appropriate factor determined in paragraph (a) for the particular engine displacement of that motor vehicle;
(c) for each engine displacement, the results obtained under paragraph (b) for each motor vehicle in that engine displacement class shall be weighted in proportion to the projected sales of the motor vehicles represented by each test motor vehicle;
(d) for each engine displacement, the weighted results obtained paragraph (c) shall be averaged;
(e) for each engine displacement, the evaporative emissions to be compared with the standard of section 29.27 shall be the averaged value for evaporative emissions obtained in paragraph (d).
[en. B.C Reg. 229/70; am. B.C. Reg. 343/77.]
Contents | Division 1-4 | Division 5 | Division 6 | Division 7-9 | Division 10-18 | Division 19-23 | Division 24-25 | Division 26-28 | Division 29 | Division 30-34 | Division 35-36 | Division 37-40 | Division 40A-42 | Division 43 | Division 44-47
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