WASHINGTON, DC (REUTERS) – The US House of Representatives on September 20 voted narrowly to repeal clean vehicle rules adopted in March to cut fleetwide tailpipe emissions by 50% over 2026 ...

The Senate parliamentarian said GOP efforts to repeal climate programs, vehicle rules, and permit fee provision violate the Byrd Rule.

The nonpartisan Senate Parliamentarian decided that the Senate can't roll back EPA emissions regulations as Trump hopes through budget reconciliation.

The Trump administration’s attempt to circumvent tightened emissions standards that the president’s predecessor adopted for coal-fired power plants has generate ...

Williams’ bill would strike an array of regulations including EPA tailpipe standards, the Transportation Department’s fuel economy standards and related state-level rules in California.

Officials from California and 10 other states announced a lawsuit Thursday morning seeking to keep the air pollution standards for cars in place.

Senate Republicans also want to reverse the EPA rule's new emissions limits for medium- and heavy-duty vehicles like delivery trucks, garbage trucks, public utility trucks, school buses and ...

The change would benefit Colstrip, Montana’s coal-fired power plant that lacks the emissions control equipment required to comply with the rule.

Automakers are split over a measure to eliminate fines for failing to meet mileage standards that helped launch fuel-efficient mainstays like Toyota’s Prius.

A Toy Maker Sued Trump Over Tariffs and Won. Its Operations Are Still in Tatters. CEO Rick Woldenberg is moving equipment out of China and saying that ‘no one’s going to save me’ Share Resize ...

While the Biden-era fuel economy standards did not require electric vehicle sales, it was easier for carmakers to comply with the rules if some of the vehicles they sold had no tailpipe emissions.