Porsche isn't necessarily known for building massive, high-cylinder-count engines, but a patent suggests that it's at least ...

Rotary engines (also known as Wankel engines and Wankel rotary engines) are quite different from piston or "reciprocating" engines. One of the distinguishing features is that they don't need valves to ...

Here’s what you’ll learn when you read this story: Stirling engines, which have been around for centuries, leverage temperature differentials in a gas to do light mechanical work. A new study ...

“We thank the City of Atlanta and Mayor Kasim Reed for championing Delta people and working with us to complete this important deal with a world-class manufacturer like Rolls-Royce,” Anderson said.