A fuel system for supplying LPG fuel, the system including a fuel storage tank
and a fuel transfer tank. A first pump pushes fuel to a vehicle engine from the
transfer tank and excess fuel from the engine is returned to the storage tank or
the transfer tank. A second pump pulls fuel from the storage tank into the transfer
tank when a fluid level within the transfer tank falls below a certain level. A
method of providing LPG fuel to the engine of a vehicle.