Vehicle Fuel Conversions
A-1 Alternative Fuel Systems specializes in CNG, LNG, and LPG fuel systems conversions for light duty, medium duty, and heavy duty vehicles. A-1 Alternative Fuel Systems only installs California Air Resources Board (CARB) and Environmental Protection Agency (EPA) certified systems. The following is a list of vehicles currently certified:
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Certified Ford Products
Ford Transit Connect
- 2.5L 4 Cylinder Engine
- EPA Certified
- Standard Fuel Packages:
- In-Van: 8.9 & 17.8 GGE

Ford Transit Van
- 3.7L V6 Engine
- EPA Certified
- Standard Fuel Packages:
- Wagon In-Van: 10 & 20 GGE
- Cargo In-Van: 10 & 23 GGE

Ford F-150 Pick-up Trucks
- 5.0L V-8 Engine
- EPA certified
- Standard Fuel Packages:
- Underbody: 10 & 16 GGE
- In-Bed: 17 & 23 GGE

Ford F-250/350 Trucks
- 6.2L V8 Engine
- CARB & EPA Certified
- Standard Fuel Packages:
- In-Bed: 17-23 GGE
- Underbody: 10-19 GGE
- Utility: 20-75 GGE

Ford Medium Duty Trucks
- 6.8L V10 Engine
- F-450, F-550, F-650 & F-750
- CARB & EPA Certified
- Standard Fuel Packages:
- Frame-Mount: 20–90 GGE
- Behind-the-Cab: 20-116 GGE

Ford F-53/59 Chassis
- 6.8L V10 Engine
- CARB & EPA Certified
- Standard Fuel Packages:
- Underbody: 30-53 GGE

Certified GM Products
GM 2500/3500 Vans
- 6.0L V8 Engine
- G2500/3500 Express & Savana Vans
- EPA Certified
- Standard Fuel Packages:
- Underbody: 9 & 17 GGE
- In-Van + Underbody: 14 & 22 GGE

GM Light Duty Trucks
- 6.0L V8 Engine
- 2500HD/ 3500HD Sierra & Silverado
- EPA Certified
- Standard Fuel Packages:
- Underbody: 9 & 17 GGE
- In-Bed: 23 GGE

GM 4500 Low-Cab Forward Truck
- 6.0L V8 Engine
- EPA Certified
- Standard Fuel Packages:
- 21-105 GGE

Isuzu NPR 6.0L Truck
- 6.0L V8 Engine
- EPA Certified
- Standard Fuel Packages:
- 21-105 GGE

It’s as easy as 1, 2, 3…
1Contact our sales department at (559) 485-4427 ext. 4 for a free consultation. We will go over the available vehicle options so that you fully understand what you are purchasing.
2Next, we will give you a list of preferred dealers from whom you can purchase your new vehicle. Once your vehicle has been ordered the dealer will have it drop-shipped to A-1 Alternative Fuel Systems for the installation.
3A-1 Alternative Fuel Systems will upfit the vehicle. When the vehicle is complete, the dealer will have it picked up and delivered to your facility.
PH: (559) 485 4427
2320 Stanislaus St. Fresno, CA 93721
PH: (559) 485 4427
3608 Cooper Drive, Elkhart, Indiana 46514
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