Curb mass definition
Curb mass means the actual or manufacturer's estimated mass of the vehicle with fluids at nominal capacity and with all equipment specified by the Administrator.
Curb mass means the mass of a vehicle with standard equipment and carrying its maximum capacity of fuel, oil and coolant and includes the mass of any air-conditioning equipment on the vehicle and the amount by which the mass of any optional engine with which the vehicle is equipped exceeds the mass of the standard engine; (masse à vide)