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President Donald Trump’s decision to defend the U.S. government’s power to broadly exempt oil refineries from biofuel-blending requirements is triggering a backlash in Iowa and other states that are top producers of ethanol and the corn used to make it.

The Trump administration on Dec. 19 set relatively flat quotas for plant-based fuels in 2020, rebuffing ethanol and biodiesel allies who said the targets don’t do enough to support the industry.

The Environmental Protection Agency notified California in a letter Sept. 24 that it has failed to file complete plans for fighting conventional air pollution and may lose highway funding as punishment.

The Trump administration is seeking to abandon regulations designed to stop methane leaks from oil and gas wells, a move opposed not just by environmentalists but even some energy companies that worry that it will undermine the appeal of natural gas as climate-friendly fuel.

The Trump administration is readying a plan to end direct federal regulation of methane leaks from oil and gas facilities, even as some energy companies insist they don’t want the relief.

President Donald Trump’s plan to freeze U.S. vehicle efficiency standards would hike costs for motorists without doing anything to boost highway safety, according to an analysis by Consumer Reports that undermines the administration’s chief talking points in favor of the move.

U.S. oil refiners won’t be allowed to complete shipments of Venezuelan crude they booked before the Trump administration slapped new sanctions on the Latin American nation.

The Trump administration is moving to expand the territory open for oil exploration in Alaska’s National Petroleum Reserve, a process that could shift drilling rigs closer to herds of caribou and flocks of threatened birds.

President Trump is making good on his promise to approve the Keystone XL oil pipeline — but the fight is far from over.

Donald Trump has chosen Rick Perry to be the secretary of energy, putting the onetime presidential candidate and former oil-state governor atop the agency that helps chart the nation’s energy future, according to four people familiar with the president-elect’s selection process.