Cummins Onan (5.5HGJAB-6755 Gasoline EVAP Generator Cummins Onan RV QG RV QG 5500 Gasoline EVAP Generator The RV QG series, formerly Onan Marquis Gold, has a fully integrated design to make it the quietest in its class Runs one or two 15.000 BTU air conditioners with power to spare Features: Enclosed muffler; Low vibration levels; Self diagnostic capabilities to simplify troubleshooting; Digital voltage regulation for stability as appliance loads change Gasoline fueled The RV QG 5500 EVAP is for CARB (California Air Resources Board) compliant applications