a high voltage capacitor 14 capable of storing 40 uf or greater of electrical current a switching device 16 timed for peak compression and cylinder stoke interrupts the circuit which feeds two electrodes 18 protruding into the compression combustion chamber 10 which are spaced with a 6 mm or greater air gap to create an arc 20 for combustion a humidifier 22 producing water vapor from a water tank which enters a conduit leading directly to the engine intake 24 shows a moveable cylinder inside said compression combustion chamber 10 that when set in motion by the expanding gasses can be harnessed for power 26 shows a conduit for returning exhaust from engine to water storage tank for recycling of water 28 shows a filter through which air passes in and out of said water tank and 30 shows pair of parallel positively and negatively charged panels powered with lower voltage dc current for imparting heat to the water to maintain temperature control of the water and water vapor content of the air sent from the tank to the compression camber 10 fig2 shows a rotary engine 39 s compression chamber 11 and 13 shows a rotary off set triangular piston 15 shows a pair of air gapped electrodes 12 shows a high voltage dc generator 14 shows a high voltage capacitor 16 shows a timed switching device to control the current between the capacitor and electrodes 15 shows a water.