| Fuel | Propulsion Technology |
|---|---|
| Liquid Fuel 1 Standard Diesel Fuel (ULSD) | Standard Diesel Propulsion (Diesel)Diesel Hybrid Electric Propulsion (Diesel Hybrid) |
| Liquid Fuel 2 NONE | None |
| Gaseous Fuel 1 Compressed Natural Gas (CNG) | Standard Natural Gas Propulsion (CNG) |
| Gaseous Fuel 2 Compressed Hydrogen (C-H2) | Fuel Cell Electric Drive (Fuel Cell)Fuel Cell Hybrid Drive (Fuel Cell Hybrid) |