Cold start HC reduction with feedback control using a crank angle sensor
A study of controlling the auto-ignition and combustion in a gasoline HCCI engine
A new catalyzed hydrocarbon trap control system for ULEV / SULEV standard
An accurate torque-based engine control by learning correlation between torque and throttle position
A catalyzed hydrocarbon trap using metal-impregnated Zeolite for SULEV systems