EPA sets ambitious emissions reduction targets for heavy-duty vehicles, including farm and livestock semi-trucks.

Freight and transportation companies say new emissions standards for heavy-duty vehicles announced by the Environmental Protection Agency (EPA) set unachievable targets and will carry harmful consequences for the U.S. supply chain and movement of freight. 

The EPA announced the emissions standards March 29, proclaiming the final rule sets the “strongest ever greenhouse gas standards” for heavy-duty vehicles, including farm and...