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The Environmental Protection Agency announced the final rule that sets the biomass-based diesel statutory minimum requirement at 2.43 billion gallons for 2021, the same level as the 2020 requirement.

MARSHALL, Va. — Federal environmental regulators on Jan. 6 announced a call for public input to assist with the development of new guidance for emissions standards targeting commercial vehicles.

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 will announce it is rescinding California’s authority to regulate greenhouse gas emissions from automobiles at an event at the EPA’s Washington headquarters Sept. 18, according to people familiar with the matter.

The Trump administration has decided to advance a plan to strip California of its power to regulate greenhouse gas emissions from automobiles on its own.

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.

In an increasingly environmentally conscious world, many companies are adopting more sustainable transportation methods to reduce their carbon footprint.

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.

Four major automakers reached a compromise with California’s clean-air regulator to boost fuel efficiency, a move the Trump administration dismissed as a “PR stunt” that wouldn’t affect its plans to ease mileage requirements enacted during the Obama administration.