Dual spark plug ignition internal combustion engine
Dual spark plug ignition internal combustion engine having impro
Dual spark-ignition internal combustion engine
Dual vacuum actuator ignition timing
Dual-sided air intake assembly with crossover
Duel fuel system for internal combustion engine
Early fuel evaporation carburetion system
Economizer valve for use with gas-powered internal combustion en
EGR Control system
EGR control system for engine equipped with fuel injection syste
EGR Control system for internal combustion engines
EGR Recirculation at low load in internal combustion engines
EGR system
EGR/ignition timing control system for an internal combustion en
EGR/Ignition timing control system for an internal combustion en
Electric fuel vaporizer
Electric governor
Electric heating means for fuel vaporization in internal combust
Electric ignition advance system
Electric ignition control system