QUICKLY, like a diesel engine.It has a low value of weight per kW power output, which is a FAVORABLE feature in all vehicles (land, air, and SEA).Works on the principle of the BRAYTON cycle.Uses any hydrocarbon fuel, from high OCTANE gasoline to heavy diesel oil and pulverized coal, effectivelyIt is light in weight as compared to steam turbine power plant. Therefore, it is used in vehicles.