EV Jargon can be confusing and, as the world of EVs keeps growing, so does the terminology.

So buckle up, and let’s demystify this together!

We’ve listed some of the most commonly used words and terms you might encounter on your EV journey:

  • AFV
    Alternative Fuel Vehicle
    Refers to any vehicle powered by fuels that aren’t petrol or diesel
  • BEV
    Battery Electric Vehicle
    Refers to pure electric vehicles, that are powered by a rechargeable battery packs with no secondary source of propulsion
  • CCS
    Combined Charging System
    A type of rapid charging system that combines two types of connectors into one
  • CHAdeMO
    CHArge de MOve charging system
    A type of rapid charging system, not as commonly used as the CCS system
  • E-REV
    Extended-range electric vehicle (or REEV)
    E-REVs run on electricity but also have a generator on board to recharge the battery when depleted
  • FCEV
    Fuel Cell Electric Vehicle
    FCEVs are hydrogen powered vehicles, they are zero emissions vehicles as they only emit water vapr and warm air
  • HEV
    Hybrid Electric Vehicle
    HEVs combine an electric motor with an internal combustion engine, they can travel on electric power for short distances with the engine kicking in when the battery is depleted
  • ICE
    Internal Combustion Engine
    ICE vehicles are powered by conventional fuel, such as petrol or diesel
  • kW
    Refers to motor power, and is also used when talking about the output speed of a charger
  • kWh
    kilowatt hour
    kWh is used when talking about battery capacity and the amount of energy put into the battery from the charger
  • MHEV
    Mild Hybrid Electric Vehicle
    MHEVs are similar to HEVs but their electric motor isn’t powerful enough to power the vehicle, it can only support the engine
  • OZEV
    Office for Zero Emission Vehicles (previously OLEV)
    The OZEV team is part of the Department for Transport and the Department for Business, Energy & Industrial Strategy, and supports the transition to ZEVs
  • PHEV
    Plug-in Hybrid Electric Vehicle
    PHEVs are a type of HEV whose battery pack can be charged by plugging into an external power source
  • RDE
    Real Driving Emissions
    RDEs are used by car manufacturers to test on-road emissions under real, normal driving conditions
  • REEV
    Range-Extended Electric Vehicle (or E-REV)
    REEVs run on electricity but also have a generator on board to recharge the battery when depleted
  • RFID Card
    Radio Frequency Identity Card
    A contactless card that you can use to pay at some public chargepoints
  • ULEV
    Ultra-Low Emission Vehicle
    Refers to vehicles that emit less than 75g of CO2/km from the tailpipe
  • V2G
    Vehicle to Grid
    Refers to the process of feeding the electricity stored in an EV back into the power grid
  • VED
    Vehicle Excise Duty
    Commonly called car tax or road tax, the VED is an annual tax collected by the DVLA. Its amount depends primarly on the vehicle’s CO2 emissions
  • WLTP
    World harmonised Light vehicle Test Procedure
    (replaces the old NEDC test)
    Refers to a test used to measure a vehicle’s fuel consumption,CO2 emissions and their pollutant emissions
  • ZEV
    Zero Emission Vehicle
    ZEVs are vehicles that produce zero exhaust emissions
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