A type of engine is a machine that converts energy into useful mechanical motion. The crossword solutions for the term TYPE OF ENGINE are STEAM (5 letters), DIESEL (6 letters), HEMI (4 letters), SEARCH (6 letters), TURBINE (7 letters), LHEAD (5 letters), TURBO (5 letters), and FUELINJECTION (13 letters). STEAM engines use STEAM to power a piston or turbine, while DIESEL engines use a fuel-air mixture to power a piston. HEMI engines are a type of internal combustion engine with hemispherical combustion chambers. SEARCH engines are a type of internal combustion engine that uses a spark plug to ignite the fuel-air mixture. Turbine engines use a turbine to convert energy from a fluid into mechanical motion. LHEAD engines are a type of internal combustion engine with a flat cylinder head. TURBO engines are a type of internal combustion engine that uses a turbocharger to increase the amount of air entering the engine. Fuel injection engines are a type of internal combustion engine that injects fuel directly into the combustion chamber.