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A comment on People have no bloody idea about saving energy. Parent comment

Re:People have no bloody idea about saving energy by ars on Wednesday August 18, 2010 @02:43PM (#1615154)
You can get an approximate answer by looking at the cost of the car. A new car costs say $30,000. Gas costs $2.75/gallon, so a new car is equivalent to about 10,000 gallons of gas.

It'll take a very very long time to recoup that.

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Re:People have no bloody idea about saving energy by btilly on Wednesday August 18, 2010 @03:50PM (#1615371)
The cost is not all energy though, so at best that is an upper limit. Furthermore there are cheaper sources of energy than gasoline (eg coal), so it is not even an upper limit.
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