Earlier this month, the EPA repealed a key finding that greenhouse gases harm human health and can be regulated under the ...

Honda has been forced to soften the output of its celebrated 1.5-liter turbocharged four-cylinder engine to satisfy ...

While the future of New Hampshire’s testing and inspection program remains unclear, enforcement of state inspections has been suspended until April 26.

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Air quality scientists slammed Republican Del. Christopher Bouchat and state Sen. Justin Ready’s plans to cross-file legislation that would eliminate the Maryland Vehicle Emissions Inspection Program ...

Add Yahoo as a preferred source to see more of our stories on Google. Vehicles drive by the emissions testing site on Fourth Avenue in Gary. (Javonte Anderson/Capital B) After years of debate, Gary ...

NH Executive Council votes to let state’s emissions testing contract expire after judge's order to keep vehicle inspections ...

A federal judge issued a preliminary injunction late last month ordering New Hampshire to take steps to continue vehicle testing beyond the sunset date for annual car inspections in order to comply ...

BAKERSFIELD, Calif. (KERO) — A new tool from the California Air Resources Board aims to reduce harmful emissions and protect public health in the communities like Bakersfield that are highly impacted ...