Hot Gasoline: Less Bang Per Buck

Illustration for article titled Hot Gasoline: Less Bang Per Buck

Back in the early 20th century, US regulators decreed that the official definition of a gallon of gasoline was 231 cubic inches at 60 degrees Fahrenheit. All well and good, but the problem is that gasoline expands somewhat as temperature increases, meaning that you're actually getting less energy per dollar when you buy gas warmer than 60º F. According to consumer-watchdog types, this translates to something like 3 to 9 cents extra per gallon at the pump this summer. The House Subcommittee on Domestic Policy, chaired by presidential hopeful Dennis Kucinich, says retailers should adjust prices based on fuel temperature; retailers say such a move would cause the destruction of the American Way Of Life.

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As fuel expands, so does cost [Houston Chronicle]

Related:
Guess What Yesterday Was? Record High Gas Prices Day! [internal]

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DISCUSSION

@Chris Lawson:

according to the "Free Gas? Not Likely" and the article this story is linked to, they're both saying the same thing.

"Free Gas? Not Likely":

"Under more realistic circumstances... our typical car gets a whopping 45 cents of free gas. If you have a smaller tank than our "average" 15 gallons, the savings is even less."

from article:

"the temperature hike could end up costing consumers between 3 and 9 cents a gallon at the pump."

45 cents divide 15 gallons = 3 cents a gallon.

Honestly, I think they should shut-up because changing all the pumps to adjust for temperature would be costly and they'll just up all their rates but you know lawyers, if the smell smoke they'll yell FIRE! before any investigating.