With 7 of its ambitious rules for cars, trucks and trains repealed, California officials must find new ways to clean up the nation’s worst air pollution. But officials face growing pushback about ...

Elon Musk's xAI has secured a permit to run 15 natural gas turbines at its Memphis AI facility despite lawsuits and pollution complaints, as the company scales up Grok supercomputing efforts with ...

After months of backlash over alleged pollution concerns, xAI has finally secured an air permit covering some of the methane ...

Ohio’s new budget kills a decades-old rule that gives neighbors of industrial scale air polluters powers to sue over threats ...

The oil major repeatedly appealed its $14.25 million civil penalty from a 2010 lawsuit that alleged repeated Clean Air Act violations at its Baytown complex.