Modern diesel fuels are designed to reduce emissions, but they also introduce some new challenges because the engine is ...

Diesels are becoming increasingly rare, but they're still an important part of some American automaker lineups, and there are ...

The diesel engine was a revelation when it first entered the market in the early 1900s, and has since had a number of variations that led to improvements.

Diesel engines lack the spark of gas engines, both literally and figuratively. They don't need a spark plug since they ignite the fuel using only compression, but also lack the 'je ne sais quoi' that ...

Diesel engine inventor Rudolf Diesel’s disappearance and death was ruled a suicide, but theories point to foul play ...

The inline-6 engine layout has its fans in the gas world, but it's the de facto standard design among diesel aficionados. Hardly surprising, as these engines are less complex than any V layout and ...

Any certified gearhead knows that diesel engines do not use spark plugs. But why not? If power in an engine is created by combustion or explosion of flammable liquids, won't a spark plug in a diesel ...

Diesel innovation in Europe produced some genuinely brilliant engines, along with a few that mechanics would rather never see again.

Diesel fuel powers the country. If that sounds dramatic, think of all the trucks, buses, and ships you see every day. Most of them carry diesel engines instead of the gasoline engine or electric ...

Dieselgate started back in 2014, but it has never really ended, as more and more allegations roll in of defeat devices across the diesel spectrum. From VW and Daimler to Cummins and Bosch, the EPA, ...

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, ...

Retailers sound the alarm on engine oil inventories after an Iranian missile strike hit a key refinery, but it looks like ...