The Obama administration is stepping up its game to see if more car companies are evading emissions-testing standards. The head of EPA's Transportation and Air Quality office, Chris Grundler, said "we ...

ARVADA, Colo. (CBS4) - Ten of Air Care Colorado's locations have reopened for emissions testing with extensive safety procedures in place. Cars were lined up at the Arvada location as soon as it ...

Increasingly stringent Federal exhaust emissions standards being applied to new automobiles necessitates an accurate short test to indicate vehicle emission failures for Inspection Maintenance (I/M) ...

The EU is taking steps to reduce CO2 emissions of cars and vans. Under the revised rules, there will be stricter CO2 emission standards for new passenger cars and light commercial vehicles. A ...

Porsche has been accused of altering the emissions testing procedure for the Cayman R in the United Kingdom to make it appear as though the vehicle emitted less C02 than it actually did. The German ...

Unlike passenger vehicles, which require biennial smog checks in California, heavy-duty diesel trucks are not currently required to undergo regular emissions testing. That might change with the ...

Environmental officials say the new testing procedures will remain secret — -- The Obama administration is stepping up its game to see if more car companies are evading emissions-testing ...

(WASHINGTON) — The Obama administration is stepping up its game to see if more car companies are evading emissions-testing standards. In a statement to reporters Friday morning, the Environmental ...