The term PRIUS, E.G. is a reference to the Toyota Prius, a hybrid electric car. The crossword solutions for this term are AUTO (4 letters) and ECOCAR (6 letters). AUTO is a shortened form of the word automobile, which is a vehicle with four wheels that is powered by an engine. ECOCAR is a combination of the words eco and car, and it is used to refer to a vehicle that is designed to be environmentally friendly. The Toyota Prius is an example of an ecocar, as it has a hybrid engine that uses both gasoline and electricity to power the car.