The party-line vote marked the first time in the 55-year history of the Clean Air Act that Congress has moved to weaken the ...

Gov. Gavin Newsom issued a statement in response to the House vote that targeted California's clean vehicles program, stating ...

S.J. Res 31, from Sen. John Curtis (R-Utah), would repeal Clean Air Act regulations issued last September as a replacement ...

If also passed by the House as expected, the action will be the first time Congress has weakened protections under the Clean Air Act.

Republicans say the U.S. Environmental Protection Agency was wrong to reinstate the state's air pollution lawsuit policy ...

The safeguards closed a loophole by requiring all “major” sources of seven hazardous air pollutants to maximize their emissions reductions.

California Governor Newsom rebukes House Republicans' move to challenge the state's vehicle emissions standards.

The Trump administration has initiated a series of threats to programs designed to protect human health and the environment. Here are just a few of the proposals: • Firing thousands of federal agency ...

Lawmakers voted to stop the state from requiring that an increasing share of new trucks sold there have zero emissions.

The House on Wednesday voted to axe California’s clean truck rules — defying Congress’s own internal watchdog in doing so.

The U.S. EPA said it will fine a Burns Harbor steel mill slag processor $190,000 in a settlement for federal Clean Air Act violations.

When it comes to regulating motor vehicle emissions, California has long been different. California was the first state in the nation to ...