Past Weather in Minneapolis, Minnesota, USA â Yesterday and Last 2 Weeks.
Confidence votes 24.7K. Technically, there is no difference between an engine and a motor. However, by common usage the term 'engine' is usually applied to heat engines (e.g. internal combustion engines, steam engines, etc.) whereas the term 'motor' is more-widely applied to electric machines. + 1 other found this useful.
A rotary engine is an internal combustion engine, like the engine in your car, but it works in a completely different way than the conventional piston engine. In a piston engine, the same volume of space (the cylinder) alternately does four different jobs -- intake, compression, combustion and exhaust.