Second stage intercooling with phase change heat transfer fluid
Selectably fueling with natural gas or direct injection ethanol
Slow-run system and apparatus for gaseous fueled internal combus
Spare tank system for motor vehicle
Supplemental fuel supply device for I.C. engine
Supplemental system for fuel agency
Supplementary fuel system for enhancing low temperature engine o
System and method for metering the fuel supply to a combustion i
System and method of vaporizing liquid fuel for delivery to an i