A gasoline piston engine that can dynamically change its compression ratio —that is, the amount by which the piston squeezes the fuel-air mixture in the cylinder—has long been a holy grail of engine ...

Four-stroke diesel engines operate in a similar fashion to their petrol counterparts, but there are a few major differences worth knowing about... Most conventional automotive diesel engines make use, ...

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. To many American drivers the “D” word is something of a mystery. It’s associated with construction equipment, tractor trailers and hillbillies “rollin’ coal” in their modified pickups, spewing ...

Compression ignition basically is the term that is used for describing the manner in which diesel engines function. It happens when intake air—which often is combined with recirculating exhaust gas—is ...

Let's get one thing straight: Rudolf Diesel is not Vin Diesel's great-grandfather. Vin's real name is Mark Sinclair, but that sounds a bit too boy-next-door for a tough-guy actor. What better way to ...

October 3, 2005 It has been a sudden realisation - the world is running out of oil and the laws of supply and demand are set to make petrol prohibitively expensive in the very near future. Sonex ...

Four-stroke diesel engines operate in a similar fashion to their petrol counterparts, but there are a few major differences worth knowing about... Most conventional automotive diesel engines make use, ...