Does Ethanol Deserve A Green Reputation?

Environment Global Warming Could clean-burning ethanol be hiding a dirty secret?
by CNN
Published: Wed, January 30, 2008 - 1:57 pm CST Last Updated: Wed, January 30, 2008 - 1:59 pm CST
Clean-burning ethanol fuel may have a not-so-clean-burning secret.

Ethanol, made from corn and other renewable resources, is promoted as a fuel
that burns cleaner than gasoline and helps reduce greenhouse gas carbon
dioxide.

However, it takes a lot electricity to make ethanol, and power companies say
the most cost-effective way to produce that electricity is from coal.

Environmentalists say that coal is the nation's biggest source of carbon
dioxide.

They say more Earth-friendly fuels like natural gas should be used to produce
the needed electricity.
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