Method to reduce diesel engine exhaust emissions
Methods for reducing harmful emissions from a diesel engine
Misfire detecting system in double air-fuel ratio sensor system
Modulating air/fuel ratio
Muffler apparatus with filter trap and method of use
Muffler assembly with balanced chamber and method
Multi-cylinder air-compressing injection-type internal-combustio
Multi-cylinder internal combustion engine and method of operatio
Multi-stage honeycomb heater
Multicylinder internal combustion engine, especially for automob
Multiple spark ignition internal combustion engine with exhaust