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 ...

One of the main reasons diesel cars offer better mileage is the higher energy content of diesel fuel. Diesel contains more ...

Engineers are struggling to make the combustion engine run purely on hydrogen, but scientists believe there is an easier way. Engineers at the University of New South Wales (UNSW) in Sydney have ...

What is a 5.9-liter Cummins diesel engine? Well, for hardcore enthusiasts, it's arguably one of the most popular oil-burners ever produced. Cummins engines were dominant in agriculture long before ...