Obama administration

A federal appeals court has ruled that greenhouse gas emission standards do not apply to truck trailers.

After spending over 30 years in transportation-related climate policy, Dan Becker, director of the Safe Climate Transport Campaign, has some interesting insights.

Phase 2 standards could tack thousands of dollars onto the cost of a new trailer.

Uncertainty over 2016 air emissions rule for tractor trailers still a factor for future model years.

Trump administration seeks industry comment on Obama-era transportation document.

Lawmakers call out White House for trying to obstruct OIG probe.

Government audit finds no evidence that Volvo influenced EPA emissions study.