| BEV | A battery electric vehicle is a vehicle that runs entirely off an electric motor and battery. |
| EV | An electric vehicle is a vehicle that partially or wholly runs off an electric motor and battery. This includes BEVs, PHEVs, and FCEVs. |
| FCEV | A fuel cell electric vehicle is a vehicle that uses hydrogen fuel to generate electricity, powering the vehicle. |
| FE | Fuel economy relates to the distance traveled by a vehicle and the amount of fuel consumed. |
| GHG | Greenhouse gas emissions are a class of molecules with the ability to trap heat in the atmosphere. |
| ICEV | An internal combustion engine vehicle is a vehicle that combusts fuel (usually gasoline or diesel) in an engine to create power. |
| LDV | Light duty vehicles are vehicles with a gross vehicle weight rating less than 8,500 pounds (in the US) |
| M/HDV | Medium and heavy duty vehicles are vehicles that have a gross vehicle weight rating above a certain threshold. |
| MPG | Miles per gallon of fuel |
| NDC | Nationally Determined Contributions are targets reported by countries that are members of the Paris Agreement treaty. |
| OEM | An original equipment manufacturer is the original producer of a vehicle's components. |
| PHEV | A plug-in hybrid electric vehicle is a vehicle that uses battery packs to power a motor, as well as gasoline or diesel fuel that is combusted in an engine. |
| SHV | Second hand vehicles are vehicles that have had at least one previous owner. |
| SSR | Supply-side regulations require auto manufacturers to either directly or indirectly reduce greenhouse gas emissions through changes in vehicle efficiency, technology or both. |
| ZEV | A zero emission vehicle is a vehicle that doesn't have any tailpipe emissions. This includes BEVs and FCEVs. |
