Inital price, compleity and long term maintencence costs. There is talk of a six cycle engine with lower costs, fewer additonal parts and not requiring $pace age alloy$. After the top of the exhaust stroke when the intake valve would normally open. A wee mist of water is injected into the hot combustion chamber. Heat that would otherwise be soaked out into the water jackets isn't. This heat from the piston,head and combustion chamber walls turns the water mist into steam which expands approx 1700 times. The steam works on the extra power stroke.
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Today's Featured Article - Tractor Proflie: John Deere Model R - by Staff. The John Deere Model R, the last of the lettered tractors, was the first diesel-powered tractor produced by John Deere with a gasoline starting engine. It was also the first tractor they produced that had an optional steel cab. The photo above shows the tractor w
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