Quote:
Originally Posted by henry_rc
...he suggests that the 'missing energy' in the conservation loop is the unburnt fuel coming out the exhaust.
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He maybe ought to look at the output of a smog test. To pass, a post-1994 gasoline engine has to have unburned hydrocarbons below 50-100 parts per million, CO 1.0-1.5%. A well-tuned engine will emit much less, say 2-20 ppm HC and 0.0-0.2% CO. In other words, there just ain't no unburned fuel in the exhaust.