Evidently the Daimler Company reasoned that while it might be possible for a poppet valve engine to meet the first and second ... up and down between the piston and cylinder walls.

A hot air or Stirling engine runs without carburetors, injectors, cams, valves, timing chains, spark plugs, or anything. It’s incredibly simple and can even be emissions negative, running on waste ...

The footage captured shows the valves injecting fuel and air. A spark plug ignites the fuel which makes the combustion gases push the piston, to drive the crankshaft. Watch the video to see it in ...