Bus Conversions

 

A-1 Alternative Fuel Systems is the industry leader in CNG and LPG shuttle bus conversions. Since 1995, A-1 Alternative Fuel Systems has converted thousands of buses through our facilities in Fresno, California and Elkhart, Indiana. Our fuel systems are engineered to be compatible with every major bus body in the industry. Below is a list of the chassis that are currently EPA and/or CARB certified for conversion to CNG and LPG.

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 *Click on the red CNG or LPG link in each vehicle’s description to view a PDF specifications file*

Certified Chassis

E-450 Shuttle Bus

  • 6.8L V10 Engine
  • “Ultra-light aluminum” tank package
  • Ford OEM warranty remains intact
  • SULEV System, OBD-II Compliant
  • CARB & EPA Certified
  • CNG: Standard 29 & 39 GGE packages
  • LPG: Standard 41 gallon package
  • ALTOONA CERTIFIED

F-550 Shuttle Bus

  • 6.8L V10 Engine
  • “Ultra-light aluminum” tank package
  • Ford OEM warranty remains intact
  • SULEV System, OBD-II Compliant
  • CARB & EPA Certified
  • CNG: Standard 53 GGE package
  • LPG: Standard 62 gallon package
  • Bi-fuel Available
  • ALTOONA CERTIFIED CNG PACKAGES AVAILABLE

F-650 Shuttle Bus

  • 6.8L V10 Engine
  • “Ultra-light aluminum” tank package
  • Ford OEM warranty remains intact
  • SULEV System, OBD-II Compliant
  • CARB & EPA Certified
  • Standard fuel packages: 53 & 72 GGE

F-59 Strip Chassis

  • 6.8L V10 Engine
  • “Ultra-light aluminum” tank package
  • Ford OEM warranty remains intact
  • SULEV System, OBD-II Compliant
  • CARB & EPA Certified
  • Standard fuel package: 53 GGE

G4500 Shuttle Bus

  • 6.0L V8 Engine
  • “Ultra-light aluminum” tank package
  • OEM warranty not voided
  • SULEV System, OBD-II Compliant
  • CARB & EPA Certified
  • Fuel packages vary

 

What sets A-1 Alternative Fuel Systems apart…

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  • Ford “Gaseous Fuel” Qualified Vehicle Modifier– Each of our facilities has passed a stringent evaluation by Ford Motor Company. A-1 Alternative Fuel Systems’ production and quality control processes are now 100% in line with that of Ford Motor Company. In addition to assuring customers a quality Ford-approved product, being a Ford QVM means that the OEM warranty through Ford remains intact.
  • “Ultra-Light Aluminum” Tank Packages–  Our tank packages provide customers with maximum fuel range and minimal added vehicle weight. With our “ultra-light aluminum” tank packages you can be assured that your vehicle has the lightest CNG package without sacrificing safety, or range.
  • Altoona Certified Ford E-450 and F-550 Shuttle Bus– Our standard fuel packages for the E-450 and F-550 chassis have Altoona Certification, which applies to all bus bodies. Passing the stringent Altoona Certification process further proves the durability and functionality of our fuel systems. 
  • Experience– A-1 Alternative Fuel Systems has been one of the longest-standing upfitters in the country, with almost 20 years of experience performing vehicle conversions. That depth of experience has allowed us to fine-tune and evolve every aspect of our fuel systems. With alternative fuels being a relatively new concept to many customers, having a wide range of experience in the industry is vital.