Diesel aircraft engines promise lower fuel burn and cheaper operating costs at a time when every gallon and every kilogram ...

Diesel once promised a cleaner, thriftier future for drivers and governments, yet within a decade it has slipped from ...

Modern internal combustion engines — including those that run on diesel fuel — require a lot of special parts and systems to prevent dumping excess emissions into the atmosphere. Not only are those ...

Military vehicles such as Humvees are often seen wading through water without much trouble, which gives diesel engines a reputation for being nearly indestructible. While they are tough and generally ...

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

Sergiu is a mechanically minded car enthusiast about to finish his university degree. From attending car meets and expositions to creating automotive content, Sergiu thrives in the presence of cars.

Over the past few years, truck and engine makers have generated a lot of buzz around developing zero-emission drivetrains to help meet climate and sustainability goals. Traditional OEMs and tech start ...

You own a diesel-powered vehicle and are thinking of giving it a tuneup. But does your diesel even have spark plugs to change? The short answer is no, diesel engines do not have spark plugs. Instead, ...