Quote:
Originally Posted by RustyLugNut
The ability to get 50% thermal efficiency from a spark ignited gasoline engine is pretty exceptional. That isn't far behind the efficiency of an ocean going diesel power plant. A few more improvements will put TE closer to 60%. This isn't bogus internet claims. This is just good engineering.
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Best IC engine efficiency I've seen so far is that big Wartsila-Sulzer diesel, it hits over 50% w/o cogen.