Trump signed measures on Thursday revoking waivers for the state’s mandates that clean up car and truck exhaust and ramp up ...

A proposal by Senate Republicans would adjust the pace at which some crucial home energy efficiency and electric vehicle tax ...

Trump signed three measures revoking California's waivers for rules that clean up cars and trucks. California and 9 other ...

The state’s latest lawsuit charges the administration with illegally targeting its authority to set tougher vehicle-emission ...

Montana passed the state Clean Indoor Air Act, which said indoor public places and workplaces must be smoke-free.

After throwing out the latest auto emissions rules that California set, Wyoming’s congressional delegation and fellow ...

Reversing California’s emissions power grab is essential to RV, automotive and engine manufacturing industries in the state of Indiana and across America.

Republicans passed a bill to raise Americans' fuel and health costs by $100s of billions - even though they don't have that power.

President Trump signed three unprecedented Congressional Review Act resolutions to disapprove EPA waivers for California clean vehicle programs ...

President Trump signed illegal congressional resolutions today to use the Congressional Review Act, or CRA, to block ...

A U.S. Senate panel proposed making the tax credit for capturing carbon emissions for recovering oil equal to the $85/metric ...

California leaders said the state intends to challenge the move in court, and to find new ways to move drivers toward ...