“It feels like an unnecessary test that won't obtain the result that they're after, and it could cost our residents a lot of money," said Councilwoman Misty Spears ...

Roadside sensors could help Arizona identify cleaner vehicles without making every driver visit an emissions-testing station.

The new testing requirement is set to begin Nov. 1, but some local leaders are pushing the federal government to reconsider.

Researchers have conducted the largest-ever controlled test of space-based methane monitoring, finding that dedicated methane ...

Big kudos to the Delegate from Carol County, Eric Bouchat. Del. Bouchat says he intends to introduce a bill to eliminate vehicle emission testing in Maryland. We’ve all been through it if we own a car ...

Bexar County’s Nov. 1 vehicle emissions testing rollout is on hold after the Environmental Protection Agency granted a stay.