as the vapor design is a plus we must think realistic all new cars are fuel injected and we must keep epa happy so think about a way to use a type of vaporizer and also the fuel inj supply and let the ecu do the work cutting back the fuel with no check engine light. it can be done remember rich hits mean ecu to cut fuel 0ne gal of gas can equal 10 gal plus of vapors and still not lose any pwo power.
think air cond except no freon instead gasoline or dsl pressur and vacuum equals liquid to a vapor