A METHOD FOR REDUCING THE AMOUNT OF FUEL USED BY AN ENGINE OF A MOTOR VEHICLE.

摘要

A method is disclosed for reducing the fuel used by an engine 105 of a motor vehicle 100. The method limits the speed at which the engine can rotate when a predefined engine upper speed limit for the particular gear in which the motor vehicle is currently operating has been reached or limiting the road speed of the motor vehicle when a predefined vehicle road speed has been reached. An indicator 103U is then provided to the driver to prompt them to execute an upshift, until the upshift is carried out the road speed or the engine speed is maintained at the predefined upper limit. The method therefore optimises the fuel economy of the vehicle..