Gasoline To Patton: A Different War

In late July 1944, WWII, General Patton's Third Army armor moved so fast across France they left their supply lines behind and had to wait five days for fuel---fuel diverted to General Montgomery's slower armor. Why? This exhaustively researched book by a retired U.S. Brigadier General asks this: Might WWII have ended seven months earlier in 1944, if politics had not favored Monty over Patton?