On-Road Vehicle and Engine Emission Regulations

12 Subject to section 19, a light-duty vehicle, light-duty truck or medium-duty passenger vehicle of a specific model year shall

• (a) conform to the exhaust and evaporative emission standards applicable to vehicles of that model year set out in section 1811, subpart S, of the CFR;

• (b) be equipped with an on-board diagnostic system that conforms to the standards applicable to vehicles of that model year set out in section 1806, subpart S, of the CFR; and

• (c) not release any crankcase emissions.