In case you haven’t been paying attention, Volkswagen is no longer the only auto manufacturer associated with diesel emissions defeat devices. Far from it, actually. The Environmental Protection ...

The widespread use of renewable diesel fuel would be a cheaper and faster means of reducing greenhouse gas emissions than switching to electric and hydrogen fuel cell trucks, an ATRI study has found.

The proposal could grant truckers in cold regions year-round exemptions from requirements aimed at cutting smog-forming nitrogen oxides. The Senate Environment and Public Works Committee this week ...

Add Yahoo as a preferred source to see more of our stories on Google. As Volkswagen struggles to ensure a secure its future as Europe's biggest carmaker, the past looms large. The emission-cheating ...

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Three different types of trucks are being tested: one battery-electric truck, a clean natural-gas hybrid-electric truck, and a diesel-hybrid truck. Photo: Siemens A new, zero-emission highway concept ...