On-Road Vehicle and Engine Emission Regulations

18 (1) The standards referred to in sections 11 to 17 are the certification and in-use standards set out in the CFR, at the applicable useful life, and include the test procedures, fuels and calculation methods set out in the CFR for those standards.

(2) In the case of a standard that is set out in the CFR to be phased in over a period of time for a class of vehicle or engine, the standard comes into effect for the purposes of these Regulations in the model year for which the CFR specifies that the standard applies to 100% of that class, and continues to apply until another standard comes into effect that applies to 100% of that class.