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 ...

Stricter vehicle inspection regulations, especially for diesel cars, have dampened the used car market. Many dealerships ...

Illinois Sen. Christopher Belt introduces Senate Bill 3408 to provide relief for drivers who fail emissions tests in key counties like Cook and Madison.

Press release from North Carolina Department of Environmental Quality: The North Carolina Department of Environmental Quality’s Division of Air Quality (DAQ) is accepting public comments on draft ...