The Trump administration’s attempt to roll back numerous vehicle pollution standards has left states wondering what’s next.

The Environmental Protection Agency (EPA) has set up a portal allowing polluters to request exemptions to nine Clean Air Act ...

Referring to a little-known provision, it said power plants and others could write to seek exemptions to mercury and other ...

The Environmental Protection Agency is allowing entities subject to the Clean Air Act to seek exemptions via email through ...

The agency is taking requests from companies wanting to shed emission restrictions for mercury and other toxic substances.

Click for the latest from The Hill.{beacon} Energy & Environment Energy & Environment   The Big Story EPA sets up portal to ...

States and refineries asked the justices to clarify venue rules for challenging the Environmental Protection Agency’s actions ...

EPA’s electronic mailbox is open for requests from stationary sources until March 31. In March 2025, the United States ...

Arguments over the proper jurisdiction for cases related to ozone pollution and biofuel mandates proved complicated for the ...

Republican members of Congress launched efforts to illegally undo California’s clean car standards today, undermining the Clean Air Act and the state’s authority to adopt strong emissions rules.

A bill in the Montana Legislature that would limit state officials' ability to regulate air quality standards has advanced to ...