EC submitted a problem description of the current HEV definition in the GTR. In order to clarify and to avoid the misunderstanding for type approval of for example range extender hybrid vehicles, EU regulation has already been amended, but EC not confident that the amended EU regulation solves the problem. The proposed definition in the document solves this issue.

The proposal from T&E, based on proposal from EC, was accepted as preliminary definition of HEV from EV subgroup. If requested from stakeholders proposal for another definition can be presented on the next EV subgroup meeting.

Proposal:
Hybrid Electric Vehicle (HEV) means a vehicle that can draw energy from both of the following on-vehicle sources,
a) a consumable fuel
b) a REESS
and uses this energy directly, or indirectly through one or more energy converters for the purpose of vehicle propulsion.