To: GingisK; roadcat
Modern gasoline engines have a maximum thermal efficiency of about 25% to 30% when used to power a car. That is down right pitiful. Pitiful indeed; I clearly remember a research engine in the IC engine lab in college getting 30%, back during the Kennedy Administration.
20 posted on
09/07/2016 3:57:57 PM PDT by
conservatism_IS_compassion
('Liberalism' is a conspiracy against the public by wire-service journalism.)
To: conservatism_IS_compassion
.42x.85x.85x.9=.27
Coal fired power generation eff.
and
Battery charging eff.
and
Battery discharge eff.
and
Electric motor & controller eff.
yields
Overall system efficiency from generator to wheels.
21 posted on
09/07/2016 10:23:34 PM PDT by
Ozark Tom
(The binding rules only allow hints to be given freely in lieu of actual disclosures.)
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