UPDATE... I divided incorrectly in the last step. As pointed out by Rik and evnow, this analysis is

**not **correct. This analysis actually indicates 22,587,642,000 kWh / 132,488,160,000 gallons of gasoline = 0.17 kWh per gallon of gasoline in the refining process.

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BTW, the 272,874,628,530 gal per yr is total refined product from the refinery. In my analysis a few pages back, I applied a 46.2 percentage to both the electricity consumed and to account for the percentage of gasoline produced versus all other refined product.

Here's the analysis again:

Electricity consumption by petroleum refineries in the US in 2005 was 48,891,000,000 kWh

http://www.nationmaster.com/graph/ene_e ... ies#source

Gasoline composed 46.2% of all US refined oil products in 2005

http://tonto.eia.doe.gov/dnav/pet/pet_p ... _pct_a.htm

Therefore, we take 46.2% of the total electricity used by the US refineries in 2005 for galoline production. So that would be 22,587,642,000 kWh of electricity. (48,891,000,000 kWh * .462)

In 2005 US refineries produced 132.4 billion gallons of gasoline

http://www.eia.gov/dnav/pet/hist/LeafHa ... frpus2&f=w

Download the spreadsheet and use the 2005 data on gasoline production. The data is the weekly U.S. Refinery and Blender Adjusted Net Production of Finished Motor Gasoline (Thousand Barrels per Day). So you need to add up the weekly totals, multiply by 7 to get the full weeks, multiply by 1000 (data is thousands), and multiply by 42 because there are 42 gallons in a barrel. That gets you to 132,488,160,000 gallons.

132,488,160,000 gallons of gasoline / 22,587,642,000 kWh = 5.86 kWh of electricity consumed for every gallon of gasoline produced in the US in 2005.