°®¶¹´«Ã½

DETROIT — The U.S. government’s most ambitious plan ever to slash planet-warming greenhouse gas emissions from passenger vehicles faces skepticism.

Kentucky and West Virginia are leading a 25-state coalition in challenging emissions regulations proposed by the Biden administration.

Florida and Pennsylvania truckers joined with over 100 groups nationwide that asked President Joe Biden to reverse his administration’s federal tailpipe emissions regulations.

The Biden administration’s proposal to crack down on vehicle pollution with strict tailpipe emission limits isn’t achievable by 2032, according to an auto industry trade group.

Many of the major players in the trucking industry say they generally are supporters of the goals of the EPA’s Phase 3 proposed rule, but they have concerns that the phase-in is moving too fast.

Iowa Gov. Kim Reynolds and others said the Environmental Protection Agency's final rule establishing biofuel volumes in its Renewable Fuel Standard program fail to reflect reality.

EPA is seeking information on zero-emission heavy trucks, fueling infrastructure and carbon-free port equipment to craft its clean port and heavy vehicles programs.

Fleets and Class 8 truck manufacturers are running into many challenges preparing for the updated NOx regulations from the Environmental Protection Agency, coming into effect in 2027.

Federal authorities in Michigan have charged three companies — including a truckload carrier — and 11 individuals in an aftermarket scheme to disable the emissions control systems.

More than 200 individuals weighed in on the Environmental Protection Agency's public hearing on its heavy-truck greenhouse gas emissions mandate.