RGR is able to design, manufacture and EPA certify any vehicle platform.
EPA Certificates currently available for
| MAKE | YEAR | MODEL | ENGINE | FUEL TYPE | MANUFACTURER |
| FORD | 2009-11 | Crown Victoria | 4.6L | Dedicated LPG | RGR Alternative Fuels |
| 2009-11 | Police Interceptor | 4.6L | Dedicated LPG | RGR Alternative Fuels | |
| 2009-11 | Lincoln Town Car/Limo | 4.6L | Dedicated LPG | RGR Alternative Fuels | |
| 2009-11 | Grand Marquis | 4.6L | Dedicated LPG | RGR Alternative Fuels | |
| GMC | 2009-11 | Sierra | 4.8L/5.3L/6.2L | Bi-Fuel CNG | Auto Gas America |
| 2009-11 | Savana | 5.3L | Bi-Fuel CNG | Auto Gas America | |
| 2009-11 | Yukon | 5.3L | Bi-Fuel CNG | Auto Gas America | |
|
Chevrolet |
2009-11 | Silverado | 5.3L /6.2L | Bi-Fuel CNG | Auto Gas America |
| 2009-11 | Suburban | Bi-Fuel CNG | Auto Gas America | ||
| 2009-11 | Express | Bi-Fuel CNG | Auto Gas America | ||
| 2009-11 | Avalanche | Bi-Fuel CNG | Auto Gas America | ||
| 2009-11 | Colorado | Bi-Fuel CNG | Auto Gas America | ||
| 2009-11 | Canyon | Bi-Fuel CNG | Auto Gas America | ||
| 2009-11 | Tahoe | Bi-Fuel CNG | Auto Gas America | ||
| Hummer | 2009-10 | H2, H3, H3T | Bi-Fuel CNG | Auto Gas America | |
| Cadillac | 2009-11 | Escalade | Bi-Fuel CNG | Auto Gas America |
Future Platforms
Ford Transit Connect
Dodge Caravan
Dodge Charger
