Commercial-Scale Biofuel Production Two-Three Years Away

http://www.aero-news.net/news/genav.cfm?ContentBlockID=24ee0ebe-c3cb-40f1-a188-a39993f03d1b&Dynamic=1

Certification Process Is Underway
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Originally developed under a DARPA contract, "green" jet fuel uses biomass, plants such as camelina and algae, and waste cooking oil as a base.
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Green fuels have been successfully demonstrated in both commercial airliners and military aircraft, both fixed wing and rotary.