It's a topic every southeastern Wisconsin driver probably knows all too well: getting an emissions test. Local lawmakers ...

Texas Commission on Environmetnal Quality hears complaints about Marathon Petroleum's El Paso oil refinery at meeting for air ...

Interest in supercritical CO2 cycles has been growing in the field of clean power generation from fossil fuels. Numerous processes have been developed based ...

Pinal County's rapid growth over the last few years could mean an added cost and chore for most of the county's drivers. A bill working its way through the Legislature would require motorists in the ...

Depending on where you live in the United States, emissions testing of old cars may or may not even be a thing. There are 28 states where at least some (though not necessarily all) are required to ...

New Hampshire drivers: Don’t scrape off that windshield sticker just yet. A manufacturer of vehicle emissions testing equipment sued the state Monday, asking a federal judge to block the repeal of New ...

BUTLER, Wis. (CBS 58) -- A fairly common sight at Butler Auto Body is cars and SUVs pulling in for emissions tests, which are required in southeastern Wisconsin. However, a group of state lawmakers is ...

The advertised fuel economy of a gasoline-powered vehicle is nothing more than an estimate, which can differ a lot due to the driving cycles used to measure fuel consumption. Discrepancies further ...

Gordon-Darby Holdings Inc., the vendor for the state’s annual emissions testing program, filed a notice to sue New Hampshire over the new law ending the mandate, saying that it would violate the Clean ...

SHOWERS THIS WEEKEND COMING UP, AN ORGANIZATION THAT WORKS ON AUTO EMISSIONS TESTING SAYS IT PLANS TO SUE NEW HAMPSHIRE OVER THE PLAN TO END MANDATORY VEHICLE INSPECTIONS. GORDON DARBY SAYS THE PLAN ...

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 ...