1) A two-stroke IC engine with air injection.

2) An air motor with a built in fuel combustor.

3) A pulsating rocket engine with piston and

    crankshaft as the output.

4) A clean engine with power strokes

    metered by digital fuel and air injections.

1) ECE is an external combustion thermal

    engine with no moving parts.

2) Through thermal cycles of free-electrons

    in metal, ECE converts thermal energy

    directly into electricity in high efficiency.