NASCAR Races to 'Green' a Notoriously Dirty Business (LiveScience.com)

[unable to retrieve full-text content]LiveScience.com - When the 43 NASCAR drivers start their engines for Sunday's Daytona 500, they will be doing so for the second year with American ethanol-blended fuel in their gas tanks.

Source: http://us.rd.yahoo.com/dailynews/rss/environment/*http%3A//news.yahoo.com/s/livescience/20120222/sc_livescience/nascarracestogreenanotoriouslydirtybusiness

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