Last November, a United Airlines 737 made the first U.S. commercial flight running on a biofuel blend, a 60:40 mix of conventional jet fuel and Solajet. Solazyme, a California startup, makes Solajet by feeding biomass sugars to genetically modified microbial algae. United has since agreed to purchase 20 million gallons of Solajet a year starting in 2014—a significant step toward biofuel adoption in the airline industry.
Great article. When was it published? 2013? 2012? When? Thanks.