Diesel engines ignite the air/fuel mixture with heat generated by friction and compression, while gasoline engines use the heat caused by a spark from a spark plug. That's why diesel engines are ...

Diesel engines run on fuel that’s much thicker than gas, adding to the difficulty of cold-weather starts. To aid combustion, small electric heaters called glow plugs warm pre-combustion or combustion ...

Ram has finally revealed its 2025 HD and Chassis Cab lineups, incorporating many of the flashy upgrades that have already hit the standard Ram 1500 pickup. But there’s more to this overhaul than a ...

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, ...