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 ...

Critics say the joint efforts are not a coincidence as the restructured agency air program moves to weaken pollution ...

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

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

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

American Lung Association report found that about 156 million people live in counties plagued by high levels of ozone and ...

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

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.

Environmental Protector Agency Administrator Lee Zeldin announced a significant reorganization for the 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.

This week, the House of Representatives voted to block the state’s ban on the sale of new gas-powered vehicles, challenging ...