The Ford Stratified Charge Combustion Process (FCP) which utilizes direct fuel injection has been further developed for reduced exhaust emissions. With air throttling, exhaust gas recirculation, low thermal inertia exhaust manifold, and a noble metal catalyst, low gaseous emissions have been achieved at low mileage on a 1/4 ton military utility truck with acceptable fuel economy and drivability. Dynamometer and vehicle emission data and details of the fuel injection and air-fuel ratio control system are described.
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