7 Compressed natural gas, and liquid natural gas systems comprised of equipment and/or components in the nature of gas compressor, power-operated gas dispenser, secure equipment enclosure, gas control panel, electrical control panel, gas storage tank and connecting pipe, high-flow compressed natural gas fill post, trailer defueling post, mobile refueling unit, all for vehicle refueling; Gas compressors; Gas compressors used to store and dispense compressed natural gas and liquid natural gas for vehicle refueling; Anaerobic digesters for the conversion of waste into renewable natural gas; Hydrogen systems comprised of equipment and components in the nature of compressor, power-operated dispenser, secure equipment enclosure, control panel, electrical control panel, storage tank and connecting pipe, high-flow compressed hydrogen trailer fill post, trailer defueling post, cooler, and hydrogen mobile refueling unit, all for vehicle refueling; Hydrogen compressors; Hydrogen compressors with cooling unit used to store and dispense compressed hydrogen and liquid hydrogen for vehicle refueling; Hydrogen dispensing pumps