Senate Republicans have voted to establish a new precedent that will allow them to roll back clean air standards in ...

In its press release, the California Governor’s Office pointed to the decades of precedent upholding California’s waiver, which is protected by the Clean Air Act. It also pointed out that the ...

After the GOP-led House ignored rules to revoke the Golden State’s authority to implement the nation’s toughest vehicle ...

In another swift rebuke of the Trump administration, California officials announced Thursday they plan to sue the federal ...

The House and Senate both voted to loosen regulations on air pollutants like dioxin and mercury, which are associated with ...

Republicans in Congress passed a bill to raise Americans' fuel and health costs by $100s of billions - even though they don't have that power.

Are so-called vintage cars really allowed to be registered despite the fact that it is already emitting dark smoke? Don't we adhere to policies about clean air? Please advise.

However, the DEQ can’t change its requirements for heavy duty trucks alone, as states are mandated by the Clean Air Act to align exactly with California’s adopted standards. An electric ...

Clean Air Act waivers have been fundamental to the state’s efforts to limit greenhouse gases and transition to electric vehicles, such as its ban on the sale of new gas-powered cars by 2035.

Congress regularly receives and overturns rules through the Congressional Review Act, as the Senate has done 14 times this year. Instead, the novel question before us is what to do when the ...

Section 111 of the Clean Air Act asks EPA to determine whether a power plant “causes, or contributes significantly” to harmful air pollution. Conservative legal experts say that EPA could ...