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Old 01-17-2017, 01:49 PM   #141 (permalink)
elhigh
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Join Date: Jan 2008
Location: SE USA - East Tennessee
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Josie - '87 Toyota Pickup
90 day: 29.5 mpg (US)

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Quote:
Originally Posted by RustyLugNut View Post
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.
Best IC engine efficiency I've seen so far is that big Wartsila-Sulzer diesel, it hits over 50% w/o cogen.

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