The Republican-controlled U.S. Senate defied congressional norms and voted Thursday to revoke California’s progressive vehicle emission standards, including a rule that would’ve effectively banned the ...

The Federal Government is soon set to announce the carmakers that have and haven’t met the first phase of its tightening CO2 ...

Ending greenhouse gas emissions standards for new cars is supposed to result in more affordable choices for consumers and regulatory relief for companies, according to a statement from the ...

Emissions tests in Bexar County will cost $18.50, according to DPS. Gov. Greg Abbott may have liberated San Antonio drivers ...

Tesla (NASDAQ:TSLA) has formally asked environmental regulators to maintain tailpipe emissions standards that were put in place to incentivize the automobile industry to sell electric vehicles in ...

Colorado aims to shift oversight of particulates PM10 from federal to state control amid efforts in air quality improvement.