Researchers develop method to fingerprint air pollution

A team of researchers from the University of Pittsburgh and the Electric Power Research Institute (EPRI) collected emissions samples from several power plant stacks in the United States and developed a unique method for detecting ...

Volkswagen has emissions-cheating fix ready

Volkswagen's plan to fix most of its 2-liter diesel engines that cheat on emissions tests includes a computer software update and a larger catalytic converter to trap harmful nitrogen oxide, and it may not hurt mileage or ...

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