EPA changes its diesel exhaust fluid sensor policy. The post DEF sensors no longer required on trucks, other diesel equipment ...

The Environmental Protection Agency announced on March 27, 2026, that it is removing the diesel exhaust fluid sensor requirement for all diesel equipment, a decision the agency frames as a direct ...

The Trump administration will waive higher-ethanol E15 gasoline from US volatility requirements this summer, expanding sales ...

New amicus briefs filed in court this week argue that state and local governments are unable to meet the challenge of ...

Two dozen states, along with more than a dozen cities and counties, sued the Environmental Protection Agency on Thursday, ...

President Donald Trump and Environmental Protection Agency Administrator Lee Zeldin finalized long-awaited biofuel blending ...

The EPA said six drums of calcium carbide were leaking and could form explosive acetylene if mixed with water.

The agency wants to postpone worker protection deadlines while it mulls changes to rules for perchloroethylene, carbon ...

The EPA will allow E15 fuel sales into summer to lower gas prices amid the Iran war, a move praised by officials.

INDIANAPOLIS — As the average price of gas in Indiana surpasses the $4 per gallon mark, the U.S. Environmental Protection ...

The EPA announced Wednesday it will issue an emergency waiver allowing the nationwide sale of gasoline containing a higher percentage of ethanol as legislation that would allow the same remains ...

After years of failing to meet Clean Air Act standards, metro Phoenix won its argument that nonlocal ozone shouldn't count.