Fuel prices have been soaring for a while, and diesel is often more expensive than gasoline. So how can you get better fuel ...

Heavy duty diesel engines are designed for long hours and extreme loads, but even the toughest systems fail without early ...

Mercedes-Benz pays $120M to settle its diesel scandal. What does this mean for the future of its combustion engine lineup?

Mercedes is paying millions to settle claims it installed defeat devices on more than 200,000 diesel-powered vehicles ...

Multistate settlement resolves environmental and consumer protection violations tied to emissions cheating Eligible Mercedes ...

HENDRICKS COUNTY, Ind. — Authorities responded to a reported diesel fuel spill in Hendricks County on Wednesday afternoon that caused a significant traffic backup. The Fire Department of Liberty ...

Renewable, biomass-based diesel fuels don't compromise vehicle performance or force fleets to reconfigure their operations. The rollback of federal and state truck emission regulations that had ...

President Trump issued a full pardon to Troy Lake and his business Elite Diesel Service after being convicted last December for disabling emissions systems in hundreds of commercial diesel trucks.

A team of researchers from the Federal University of Technology Owerri in Nigeria has highlighted a promising new way to cut diesel engine pollution without sacrificing performance. Their review of ...

If your fuel consumption is increasing it would be worth considering if worn out or failing components are responsible before looking at engine cleaning. Blocked injectors, turbo issues, dirty air or ...