The present invention is an engine, which includes a positive displacement compression process, a variably fueled, continuous combustor andor heat exchanger, and a positive displacement, work-producing expander. The optical pickup records andor reproduces an information signal on andor from an optical recording medium by condensing laser light through the objective lens. The second transformer includes a primary winding and a secondary winding, wherein the primary winding of the second transformer is operably coupled to a low noise amplifier, and wherein the secondary winding of the second transformer has a desired output impedance corresponding to the needs of the low noise amplifier. Each one of the N primary cutting edges extends from one end portion to the other end portion. When the non-violation event filter determines that the vehicle is performing a non-violation action, resources that may have been allocated to recording the non-violating vehicle may be released, and a determination may be made that additional resources need not be allocated to such recording.