Ethanol alternatives stuck in slow lane

Energy options such as algae are years away
Ryan Randazzo
The Arizona Republic
May. 11, 2008 12:00 AM

Despite a public-relations backlash of epic proportions and frenzied research on other technology such as algae biodiesel, it likely will be years before other alternative fuels are as widely used as corn ethanol.

Ethanol is now a staple in gasoline, used as an additive that reduces the amount of crude oil and cuts back on vehicle emissions.

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