Quote:
Originally Posted by oil pan 4
Cummins has been making natural gas engines for decades.
Problem is all the nastys in bio gas will eat the pistons down to the ring groves. It has to be refined at least as much as natural gas.
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Pistons can be designed for monoxide fueling, anything acid resistant from stainless to ceramic coatings.
Natural gas is cost effective in other countries where conversion costs are hundreds not thousands of dollars.