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 ...

The California Bureau of Automotive Repair (BAR) and Sierra Research, Inc. (Sierra) have evaluated a large number of alternative emissions test procedures and developed new procedures that could ...

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) ...

A climate-focused report out of Europe throws serious shade at plug-in hybrid electric (PHEV) cars, pointing out that they ...

In a report by BBC, Volkswagen said it is having difficulty coping with the new emission testing procedure and plans to temporarily stop production of some diesel platforms. The automaker will plan ...

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 ...