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The U.S. government’s own scientists on Sept. 21 questioned whether corn-based ethanol is better for the environment than traditional petroleum-based fuels.

The Biden administration on July 14 rejected more than two dozen oil refinery requests for exemptions from U.S. biofuel-blending requirements.

Stellantis NV and Toyota blasted a Biden administration plan to ease auto pollution, saying it would compel unrealistic sales of electric vehicles that strain critical mineral supplies.

The Biden administration has dropped, for now, a plan that would have awarded automakers such as Tesla Inc. credits for using renewable natural gas to power electric vehicles.

The Biden administration is on track to propose the toughest-ever U.S. curbs on car pollution, while stopping short of an electric vehicle mandate or ban on gas-powered models.

Motorists in the Midwest U.S. could expect to pay more for gasoline under a fuel policy shift demanded by governors in the region, with a new refining industry-commissioned analysis outlining larger-than-expected impacts of the change.

It’s crunch time for President Joe Biden’s climate agenda as he reaches the halfway point in his first term, with his administration planning to impose major climate policies touching everything from the cars Americans drive to the electricity they use.

The Biden administration on Sept. 14 issued oil and natural gas leases to companies that nabbed the Gulf of Mexico drilling rights in a government auction later invalidated by a federal court.

The Biden administration is considering triggering tougher anti-smog requirements that could curb drilling across parts of the Permian Basin, the world’s biggest oil field that straddles Texas and New Mexico.

The Biden administration is moving to restore California’s legal power to lead the nation in stifling auto emissions and accelerating the transition to electric vehicles.