In a world of ever-changing fuel sources - hybrids, electric vehicles, and so on - is there even an answer to what type of fuel is the best? There are mountains of discourse online about how efficient ...

Gasoline and diesel engines are very different. The former rely on spark ignition while the latter use compression ignition. Diesel engines typically run at much higher compression ratios than ...

Gas versus diesel is a debate over which billions have been spent to see which is better. Famously, Soviet tanks in World War II were powered by diesel, while the Germans used gas engines. Closer to ...