In an article on the Prius in the local newspaper, the writer referred to the Prius as having an (Inventor's Name - which I cannot recall) - cycle type gasoline engine coupled to an electric motor.

The article seemed to suggest that there is something unique or different about the gasoline engine in the Prius by referring to it as an (Inventor's name) cycle type of gasoline engine. Automotive writers being notoriously uninformed and ill-equipped to write about their subject - I wonder if there truly is anything unique about the engine used in the Prius, or was it just another gas-bag writer trying to impress us with his knowledge.