The Biden administration on Dec. 2 issued a final rule aimed at reducing methane emissions, targeting the U.S. oil and natural gas industry for its role in global warming.

Illinois Gov. J.B. Pritzker is going after every federal dollar to turn the state into a hub for new technologies, intensifying a battle among states for trillions in federal funds.

U.S. regulators say they will review the use of a chemical found in most tires as West Coast Native American tribes petition to have it banned because it kills salmon as they return from the ocean.

WASHINGTON — Efforts by the Biden administration to limit pollution from tailpipes face a crucial test as legal challenges brought by GOP-led states head to a federal appeals court.

DETROIT — The U.S. government’s most ambitious plan ever to slash planet-warming greenhouse gas emissions from passenger vehicles faces skepticism.

Kentucky and West Virginia are leading a 25-state coalition in challenging emissions regulations proposed by the Biden administration.

Florida and Pennsylvania truckers joined with over 100 groups nationwide that asked President Joe Biden to reverse his administration’s federal tailpipe emissions regulations.

The Biden administration’s proposal to crack down on vehicle pollution with strict tailpipe emission limits isn’t achievable by 2032, according to an auto industry trade group.

Many of the major players in the trucking industry say they generally are supporters of the goals of the EPA’s Phase 3 proposed rule, but they have concerns that the phase-in is moving too fast.

Iowa Gov. Kim Reynolds and others said the Environmental Protection Agency's final rule establishing biofuel volumes in its Renewable Fuel Standard program fail to reflect reality.