CNG And Propane Vehicle Conversion Guidelines
CNG and PropaneVehicle ConversionGuidelinesGreen Drive May 2015Ted BarnesGas Technology Institute
Gas Technology Institute (GTI)OverviewNatural Gas Research andDevelopment Focus Established in 1941Staff of 300350 active projects1,200 patents; 500 productsTrainingOffice & LabsPilot-Scale Gasification CampusEnergy & Environmental Technology Center2
Gas Technology Institute (GTI)Barrier Reduction Grant – US Dept. of EnergyGTI and Lake Michigan Consortium created webinarson important alternative fuel topics: Inspection Guidelines for CNG/LPG Vehicle Conversions Considerations for Garage & Maintenance ShopsWhen Using CNG/LPG Station Installation Guidelines for CNG Station Installation Guidelines for LPG Best Practices for End Users for CNG, LPG& Electric VehiclesPresentations are available on Clean Cities websites3
Compressed Natural Gas (CNG)Vehicle Purchases Natural Gas Vehicles (NGVs) are purchased from: OEMs at the dealership Small or Qualified Vehicle Manufacturers(SVMs/QVMs) Local conversion companies NGVs are available for all needs: Light duty (sedan, pickup, van) Medium duty (school bus, box truck, work truck) Heavy duty (regional/long haul, waste hauler,cement mixer)4
Light Duty CNG Vehicles Available fromOEMsHondaNatural GasCivic Sedan(dedicated)GM Express/SavanaCargo & PassengerVans (dedicated)GMSilverado/Sierrapick-up (bi-fuel)Ram 2500 dual-cabpick-up (bi-fuel)Bi-fuel GM Impala(bi-fuel)5
Light and Medium Duty NGVs AvailableThrough SVMs and Conversions6
Heavy Duty Trucks with OEM Engine7
Selection of NGVs from OEMs, SVMs,Local ConvertersLight Duty OEMs HondaGeneral MotorsChrysler Ram TrucksFord*Local Converters Advanced VTechAutotruckDual Fuel SystemsWorld CNGOthers?Light Duty/Medium DutyRetrofits Altech-EcoLandi Renzo/BaytechIMPCO AutomotiveWestport/BAF TechnologiesStag USANGV Motori USANatGasCarAGA SystemsGreenkraftPowerFuel ConversionsWorld CNGRetrofits of GM, Ford, Dodge, VW, Mazda,Mitsubishi, Workhorse, Isuzu, JAC, FreightlinerCustom Chassis platforms8
Selection of NGVs from OEMs, SVMsHD Truck OEMsHD Bus OEMsHD Retrofit/Repowers Freightliner TruckVolvoInternationalKenworthPeterbiltMackHD Vocational OEMs MackPeterbiltCrane CarrierAutocar TruckALF CondorElginJohnstonSchwarzeTymcoThomas Built BusBlue Bird BusOptima/NABIEl DoradoNew FlyerMotor Coach Ind.GilligDesignLineAmerican Power GroupClean Air PowerFyda Energy SolutionsNGV MotoriOmnitek EngineeringDiesel 2 GasDual fuel retrofits and SING repowersof Cummins, Daimler, Navistar, DetroitDiesel, Mack, Volvo, Caterpillar9
Conversion of CNG VehiclesGuidance: Select approved kits and converters:1. US EPA and CARB certified conversion kits and engineplatforms are allowable under current federal regulation. NGVAmerica vailability/EPA fuels/documents/certified-conversions.xls2. Converters need to be approved by kit manufacturer. Itis preferred to confirm converter has ASE/CSA qualifiedtechnicians installing conversion kits.10
Conversion of CNG Vehicles3. Expand knowledge base. Use the followingresources to educate yourself in the basics. “Have Your Vehicle Converted to Compressed NaturalGas- Safety”, Clean Vehicle Education chnical/PDFs/Convert Your Vehicle Safely Final.pdf US DOE Alt Fuel Data Center – Vehicle ConversionRegulations and s.html11
Inspection of CNG Vehicles What are the rules?Tanks/Fuel systems must be inspected every 3 years, 36,000 miles,after and accident or fire, and before it is reinstalled on a vehicle Who can inspect?The CGA defines a qualified inspector as any of the below: 2 years experience conducting inspections Supervision by person with 2 years experience conducting inspections Approved by fuel cylinder manufacturer Certification from OEM through training center Certification from nationally recognized organization e.g. CSA Certification as inspector by Authority Having Jurisdiction12
Inspection of CNG Vehicles How do you find a certified inspector? CSA provides certification for CNG fuel system inspectionwhich includes all major components and tanks. CSA offers a list of qualified and certified fuel systeminspectors on their search How do you become an inspector? Take a course / pass the CSA test US DOE Alt Fuel Data Center has n training.html13
Propane / LPG / Autogas VehiclePurchases Propane vehicles are purchased from: OEMs at the dealership Small or Qualified Vehicle Manufacturers(SVMs/QVMs) Local conversion companies Propane vehicles are available for: Light duty (sedan, pickup, van) Medium duty (school bus, box truck, worktruck)14
Propane / LPG / Autogas VehiclePurchases Several options forOEM/conversions: Ford* GM American AlternativeFuel Blossman Services CleanFuel USA Greenkraft Inc. ICOM IMPCO Landi Renzo Roush15
LPG Vehicle ConversionConversion guidance:1. US EPA and CARB certified conversion kits andengine platforms are allowable under currentfederal regulation. EPA Website: Certified Clean Alternative FuelConversion uels/documents/certified-conversions.xls PERC On Road Fleets/Propane cView.pdf16
LPG Vehicle Purchase (Continued)2. Confirm converter has trained technicians installingconversion kits. (NFPA 58) Propane autogas technician course and training (PERCpartnership with NAFTC)OEM approved/trained installations3. Expand knowledge base using existing resources:Propane Education and Research Council (PERC)and Alt Fuel Data Center websites are useful: www.autogasusa.org http://www.afdc.energy.gov/vehicles/propane conversions.html17
LPG Vehicle InspectionInspection guidance: Know the facts.1. Propane containers are certified by ASME or DOT DOT cylinders are mainly used for industrial and offroad applications such as forklifts, mowers, etc.2. NFPA 58 states fuel containers have to berequalified per Compressed Gas Associationinspection criteria. Good practice to includevehicles involved in fire and/or auto accidents.3. Follow OEM specifications for inspections/training.4. NFPA 58 requires vehicle fuel system to be leakfree prior to garage storage or service.18
Questions?Thank you for your time.19
Compressed Natural Gas (CNG) Vehicle Purchases Natural Gas Vehicles (NGVs) are purchased from: . Inspection of CNG Vehicles What are the rules? Tanks/Fuel systems must be inspected every 3 years, 36,000 miles, .
In-Use Vehicle (CNG /Bio-CNG/LNG Dual Fuel Engine) For Replacement of In-Use Diesel Engine by New CNG/Bio-CNG/LNG Engine . vehicle and CNG / Bio-CNG/LNG engine as per Table 2 and 4 of AIS-007. CMV
For example; we see for a manufacture rated 23.5 gge CNG cylinder having refills in range of 17 - 20 gge's. CNG Cylinder Pressure - 3,600 psi at 70ºF CNG Cylinder Inspection Requirements - The CNG Cylinder must be inspected every 3 years or 36,000 miles, whichever occurs first, by a Certified CNG Cylinder and Fuel System Inspector (CNG-FSI).
Questar Gas Company: 7 CNG public stations, 12 CNG upgrades & 115 CNG vehicles Robinson Waste: 3 CNG refuse haulers Salt Lake City: 57 CNG & hybrid vehicles Semi-Service Inc : 1 CNG public station & 7 CNG vehicles St. George Express : 5 CNG airport shuttle vans
For example; we see for a manufacture rated 23.5 gge CNG cylinder having refills in range of 17 - 20 gge's. CNG Cylinder Pressure - 3,600 psi at 70ºF CNG Cylinder Inspection Requirements - The CNG Cylinder must be inspected every 3 years or 36,000 miles, whichever occurs first, by a Certified CNG Cylinder and Fuel System Inspector (CNG-FSI).
7. Annexure VI Installation certificate for converted CNG / BIO-CNG vehicle 17/96 8. Annexure VII Checklist for third party checking or inspection of built-up CNG / BIO-CNG buses (New and In-use) and LNG buses (New) before registration 19/96 9. Annexure VIII Checklist for preventive maintenance of in-use CNG
Marine CNG Transportation Transportation cost is the most important factor in the CNG chain. The cost of CNG marine transport is directly proportional to the volume of gas and distance between the gas source and the consumers. Since the early 1960’s the marine transport of CNG
CNG cylinder (1) is installed in the luggage compartment below luggage shelf (2). Luggage shelf (2) above CNG cylinder may be used for keeping lightweight lug-gage. CNG CYLINDER WARNING LABEL 72RMC004 You may find this label on the CNG cylin-der. MANUAL SHUT-OFF VALVE 72RMC001 Manual shut-off valve (1) is located on the left hand side of the .
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