Emissions testing laws are a crucial component in the fight against air pollution and climate change, yet these regulations vary significantly across the United States. Understanding these differences ...

It's a question you may find yourself asking in matters of government. "Is it really a good thing or isn't it," said JJ Carpenter of Susquehanna County. This one involves your car -- and that added ...

Across the United States, the rules for checking tailpipe pollution are quietly shifting, even as climate targets grow more ambitious and electric vehicles grab headlines. States are carving out ...

Add Yahoo as a preferred source to see more of our stories on Google. Legislation to eliminate emissions testing in Maryland would put the state in violation of federal law and at risk of losing tens ...

ALL RIGHT. THANKS, CHRISTINE, FOR THAT WARNING THERE. A STATE LAWMAKER WANTS TO END EMISSIONS TESTING FOR DRIVERS IN PENNSYLVANIA. REPUBLICAN STATE SENATOR WAYNE LANGERHOLC SAYS HE WANTS TO INTRODUCE ...

BUTLER, Wis. (CBS 58) -- A fairly common sight at Butler Auto Body is cars and SUVs pulling in for emissions tests, which are required in southeastern Wisconsin. However, a group of state lawmakers is ...