EPA proposes delaying Tier 4 standards for light and medium-duty vehicles until 2029 to match current market demands.

Millions of Pennsylvania drivers could catch a break on their annual vehicle inspections if a bill winding its way through ...

When the Biden administration set new auto emissions standards, it was a landmark climate move; passenger vehicles currently account for more than a quarter of U.S. greenhouse gas emissions. But the ...

A report from Auto Express states that Kia’s smallest model is headed for discontinuation as emissions regulations continue ...

Legislation the state Senate passed Wednesday would end Pennsylvania’s vehicle emissions testing program — saving motorists ...