In automobiles, this is the "gasPedal" which is attached by linkage to the throttle in the carburetor or to the fuel injection system. It regulates the amount of fuel which is sent to the engine. In motorcycles , the accelerator is located on the right-hand twist grip or an actuating lever.
ACCELERATOR
Meaning of ACCELERATOR in English
English dictionary of automotive terms. Английский словарь автомобильных терминов. 2012