Prospective buyers interested in the “gently used” 135-ton diesel locomotives posted on the Caltrain website are out of luck ...

A diesel spill into the San Francisco Bay on Thursday at the Chevron Richmond Long Wharf prompted a multi-agency response for ...

Emissions defeat devices are a broad category of modifications that are disallowed by the Clean Air Act, and are particularly ...

Weak oil demand has limited refinery intake of crude oil for processing into refined products. Read more here.

Nearly 500,000 full-size body-on-frame rigs like the Chevrolet Silverado and GMC Yukon could lock up their rear wheels.

An Eastern Washington grand jury has indicted father and son Joshua and John Owens on six counts of smuggling, conspiracy to ...

A 'large amount' of diesel spilled onto Interstate 264 eastbound at London Bridge Road as the result of a tractor-trailer ...

A semi crash in western Iowa on Thursday morning resulted in an unknown amount of diesel spilling into a creek. According to ...

Meet Saga and see this character in action in this latest Diesel Legacy: The Brazen Age trailer for the upcoming fighting ...

Diesel fuel costs have not yet felt much upward pressure from the harvest and holiday season, while gasoline prices continue ...

The government has announced that the prices of petrol and High-Speed Diesel (HSD) will remain unchanged for the next ...

Newly adopted clean air regulations could limit the sale of large motor homes or recreational vehicles (RV) in California.