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 ...

Earlier this month, the EPA repealed a key finding that greenhouse gases harm human health and can be regulated under the Clean Air Act.

CAROL STREAM, Ill. (CBS) --An Army veteran from Carol Stream, who is battling cancer, relies on his nearly 30-year-old car to get around, but it failed an emissions test, and it's so old he can't get ...

A routine emissions test turned into a catastrophic engine failure for one Hyundai Palisade owner after a dealership ...

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WETHERSFIELD, Conn. (WTNH)– Vehicle inspection and emissions testing programs resumed Tuesday, with deadlines extended and late fees waived after being on hold for nearly a month following a data ...