Adsorbed natural gas fuel storage and delivery system, namely, kits containing components for introducing alternative fuel sources into bi-fuel, dual fuel, multiple fuel, multi-fuel, flexible fuel, and flex-fuel internal combustion engines; Adsorbed natural gas fuel storage and delivery system, namely, fuel pumps for services station for land vehicles for bi-fuel, dual fuel, multiple fuel, multi-fuel, flexible fuel, and flex-fuel internal combustion engines