Gasoline fuels most light-duty vehicles, such as passenger cars and pickup trucks. Heavy-duty vehicles, like buses, delivery ...

Why do we use gasoline for small vehicles and diesel fuel for big ... Both fuel types are needed because gasoline and diesel engines have different strengths. As my automotive engineering students ...

In a gas engine, a small device called a spark plug ignites the compressed fuel-air mixture. It uses hundreds of thousands of volts to create an electrical arc that can start the burn, much like ...

It may be a main power source for modern work trucks, but these obscure diesel engines show compression ignition designs have taken lots of forms in the past.