"Ogrevalni sistem, ki deluje na principu izrabljanja odpadne toplote" pomeni vsak tip naprave, ki uporablja odpadno toploto pogonskega motorja vozila za povečanje temperature notranjosti vozila; prenosni medij je lahko voda, olje ali zrak.
"Waste-heat heating system" means any type of device using the waste heat from the engine used for propulsion of the vehicle to increase the temperature of the interior of the vehicle, this may include water, oil or air as the transfer medium.