[MacGyver] [Lou Wozniak] is on a mission to build an internal combustion engine using only hardware ... mixture moves down through the pipe to the cylinder and valve assembly where it is ignited ...

Not every count, mind you, just the biggies - three, four, five, six, eight, 10, 12, and 16-cylinder engines to be exact. If and when the internal combustion engine (ICE) dies out, some of these ...