Across the United States, the rules for checking tailpipe pollution are quietly shifting, even as climate targets grow more ...

The Volkswagen Dieselgate scandal, one of the most infamous controversies in automotive history, exposed systemic emissions ...

The state ended its annual mandatory vehicle inspection process, but a recently filed lawsuit leaves the fate of the program in a judge’s hands.

Air quality scientists slammed Republican Del. Christopher Bouchat and state Sen. Justin Ready’s plans to cross-file legislation that would eliminate the Maryland Vehicle Emissions Inspection ...

After years of debate, Gary residents may soon see an end to the every-other-year vehicle emissions testing that’s long been required in Lake and Porter counties, thanks to a push state lawmakers ...