In the USA, examples of regulations to which alternative fuel systems must conform are:
- NFPA 52: Vehicular Gaseous Fuel Systems Code (Natural Gas)
- NFPA 58: Liquefied Petroleum Gas Code (Propane)
- B109-01 (R2012) - Natural Gas for Vehicles Installation Code
- CSA B149.5-10 - Installation code for propane fuel systems and tanks on highway vehicles
Furthermore, there is a risk of fire and/or explosion with any work with fuel systems. Follow safe-work practices in your workplace.
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