Motor Vehicle Safety Regulations — 301.2
301.2 (1) Subject to subsections (3) and (3.1), a vehicle that is equipped with a fuel system that uses CNG as a source of energy for its propulsion shall meet the requirements of subsection (2) when tested in accordance with Test Method 301.2 — CNG Fuel System Integrity (February 28, 2004), (a) in the case of a vehicle with a GVWR of 4 536 kg or less, (i) by the vehicle impacting a fixed collision barrier that is at any angle of up to 30° in either direction to the perpendicular to the vehicle’s line of travel while the vehicle is travelling longitudinally forward at any speed up to and including 48 km/h, (ii) by a collision barrier travelling at 48 km/h impacting the vehicle from the rear, and (iii) by a collision barrier travelling at 32 km/h impacting the vehicle laterally on either side; and (b) in the case of a vehicle with a GVWR of more than 4 536 kg, by a moving contoured barrier assembly travelling at any speed up to and including 48 km/h impacting the vehicle at any point and any angle. (1.1) Instead of being tested in accordance with subparagraph (1)(a)(ii), a vehicle referred to in subsection (1) may be tested in accordance with paragraph S6.2(b) of TSD 301, except for the fuel spillage requirements, under the applicable conditions set out in sections 3.2 to 3.4 of Test Method 301.2 — CNG Fuel System Integrity (February 28, 2004) and paragraph S7.3(b) of TSD 301. (1.2) Instead of being tested in accordance with subparagraph (1)(a)(iii), a vehicle referred to in subsection (1) may be tested in accordance with paragraph S6.3(b) of TSD 301, except for the fuel spillage requirements, under the applicable conditions set out in sections 3.2 to 3.4 of Test Method 301.2 — CNG Fuel System Integrity (February 28, 2004) and paragraph S7.2(b) of TSD 301. (1.3) [Repealed, SOR/2014-307, s. 26] (2) When a vehicle is tested in accordance with subsection (1), (1.1) or (1.2), (a) the fuel container shall remain attached to the vehicle at a minimum of one attachment point; and (b) when the pressure in the high-pressure portion of the fuel system is the greater of the maximum operating pressure and 20 680 kPa, this pressure shall not decrease during the 60-minute period after each impact by more than the greater of (i) 1 062 kPa, and (ii) the product, expressed in kPa, obtained using the following formula: 895 (T/V FS ) where T is the ambient temperature of the test gas in kelvins, and V FS is the volume of the high-pressure portion of the fuel system in litres. (3) Instead of complying with subsection (1), a vehicle, other than a school bus, that is equipped with a fuel system that uses CNG as a source of energy for its propulsion may comply with the system requirements set out in the version of CSA Standard B109, Natural Gas for Vehicles Installation Code (CSA B109), that is in effect 48 months before the date of the last manufacturing operation performed by the manufacturer who installed the fuel system, as shown on the manufacturer’s information label, or the date of manufacture of the completed vehicle, as shown on the compliance label, or a more recent version of that Standard, except that the following requirements do not apply: (a) any requirement to obtain an approval from an authority responsible for the enforcement of CSA B109 or from an inspection agency of a province or territory; and (b) any requirement for the re-inspection or re-qualification of a fuel system or tank after the main assembly of the vehicle has been completed. (3.1) A three-wheeled vehicle that is equipped with a fuel system that uses CNG as a source of energy for its propulsion shall comply with the standard referred to in subsection (3). (4) Only a CNG cylinder that is marked in accordance with the marking requirements in one of the following standards to indicate that the cylinder complies with that standard may be installed on a vehicle that is equipped with a fuel system that uses CNG as a source of energy for its propulsion: (a) the version of CSA