Two and three wheelers

Emission standards for on-road motorcycles are governed under the On-Road Vehicle and Engine Emission Regulations established under the authority of the Canadian Environmental Protection Act, 1999 (CEPA). The regulations have been streamlined to enable acceptance of U.S. Environmental Protection Agency (EPA) certification, as a means of demonstrating compliance with Canadian emission standards, in recognition of the fact that many motorcycle models are offered for sale in both Canada and the U.S. during the same period.

Canadian emissions standards for motorcycles align with the U.S. EPA standards, with minor amendments. Each class of motorcycle (I-B, II, and III, based on the engine size) has specific emission parameters.

Canada had motorcy