Abstract: A gravity-fed, tire pumped, vehicle energy generating power wheel includes an axle on a vehicle; a wheel on the axle; a tire on the wheel having deflection characteristics; a pump mechanism for activation by the tire when the tire is characterized by the deflection; the pump mechanism operating via a mechanical linkage, the operation of the mechanical linkage being activated by a ratcheting gear system operable by the deflection; and the mechanical linkage activating at least one of: power generator, at least one hydraulic motor and at least one pneumatic power device.

Abstract: A wheeled vehicle has mechanical and preferably hydraulic pumps inside its tires. The weight of the vehicle pumps up a reservoir as the tires roll. The pressure in the reservoir is used to directly or indirectly propel the vehicle.