Here is why you want to use the still in the clip below..

US Holiday retail sales in Billions $ (left scale) (Source 1999-2006, Source 2007 estimate- National Retail Federation) plotted vs US domestic crude oil production (right scale) (1999 thru 9/2007 then extrapolated - Source - EIA)

Here is the link to Gav’s website where he shows you exactly how to convert your car to an EV.http://www.kiwiev.com/