02e39f42_stem_Risks_of_Alternative_Fuel__Background
[Hazard --Event] Fire -- fromgas meteringequipmentafter vehiclecollisiondamage [Consequences] The high line pressure meansthat large amounts of fuel canbe released quickly. [Knowledge] Engineering design for crashprotection is reasonably well-known and can be applied tomitigate this hazard. [Background] 
Because of the economics of CNGcompression, there is an incentive to usepipeline supply pressures to the compressorthat are much higher than those normally usedfor natural gas distribution. Some transitoperations with CNG fleets have natural gassupplies of 200-400 psig or more on theproperty.
Clean Air Program -- Assesment of the Safety, Health, Environmental and System Risks of Alternative Fuel
Background