The Energy engine also known as "E engine" or "E-Type" is an automotive gasoline four-stroke internal combustion engine, 4 cylinders in line with a sleeved water cooled cast iron block, equipped with 5 crankshaft bearings, an overhead camshaft driven by a toothed timing belt and an aluminum cylinder head with 8 OHV. Developed and produced by Renault in the late '80s, the engine made its first appearance in the Renault 19.