The U.S. Environmental Protection Agency (EPA) and the National Highway Traffic Safety Administration (NHTSA) published a joint set of greenhouse gas and fuel efficiency standards for new medium and heavy-duty vehicles and engines on August 16, 2016. The new standards apply to companies that manufacture, sell or import into the United States Class 2b through 8 trucks, including:
- combination tractors,
- all buses,
- vocational vehicles including municipal, commercial, recreational vehicles, and commercial trailers
- and ¾-ton and 1-ton pickup trucks and vans.
The heavy-duty category incorporates all motor vehicles with a gross vehicle weight rating of 8,500 lbs. or greater, and the engines that power them, except for medium-duty passenger vehicles already covered by the greenhouse gas standards and corporate average fuel economy standards issued for light-duty model year 2017-2025 vehicles. This “Phase 2” of greenhouse gas and fuel efficiency standards is a continuation of the Obama Administration’s efforts under the Climate Action Plan. Continue reading this entry