A method to operate an electronic controlled internal combustion engine with an electronic controller having memory and tables resident therein to obtain and use sensor data beyond the Nyquist threshold. An intake air duct draws outside air into the engine compartment. The second lens group includes a negative lens, a first positive lens, and a second positive lens, and the optical system includes a compound type aspherical lens constructed by a glass material and a resin material. The heater may be located downstream of a gas turbine engine that cogenerates electricity and provides the oxygen-containing gas.