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Gevo Flies Sikorsky UH-60 Black Hawk Helicopter on 50/50 Blend of Gevo's ATJ-8

Gevo, Inc., the world's only commercial producer of renewable isobutanol, announced that the U.S. Army has successfully flown the Sikorsky UH-60 Black Hawk helicopter on a 50/50 blend of Gevo's ATJ-8 (Alcohol-to-Jet).

ATJ is a renewable, drop in alternative fuel for JP8 that addresses the Army Energy Security Strategy and Plans mandate that the Army certify 100% of its air platforms on alternative/renewable fuels by 2016. This flight marks the first ever Army Aircraft to fly on the isobutanol ATJ blend. Flight testing is being conducted at Aviation Flight Test Directorate (AFTD) on Redstone Arsenal, AL and is anticipated to be complete by March 2014. Certification programs like this are part of the Department of Defense's long-term energy strategy, as evidenced by the U.S. Navy's recent announcement of its "Farm to Fleet" program through which it will begin to blend biofuels at 10% to 50% rates with conventional jet fuel (JP-5).

This testing is being performed as part of the previously announced contract with Gevo to supply more than 16,000 gallons to the U.S. Army. "Gevo's isobutanol can be used to produce a variety of conventional military jet fuels such as JP5, JP8 and commercial aviation jet fuel. We are pleased to see that the Department of Defense is moving forward with its 'Farm to Fleet' initiative and we would like to see the alcohol-to-jet from isobutanol be used as a blendstock for the 'Farm to Fleet' program that aims to produce renewable fuels in the USA," noted Patrick Gruber, Gevo's chief executive officer. "We greatly appreciate the U.S. Army's partnership and support in this effort. ATJ from isobutanol is a clean burning, homegrown, bio-jet fuel, and we have a potential route to deliver aviation biofuels at scale and at competitive cost for many aircraft platforms including military and commercial."

Gevo's patented ATJ fuel is truly the same as petroleum jet fuel. It is designed to be fully compliant with aviation fuel specifications and provide equal performance, including fit-for-purpose properties.

About Gevo

Gevo is a leading renewable chemicals and next-generation biofuels company. Gevo's patent-protected, capital-light business model converts existing ethanol plants into bio-refineries to make isobutanol. This versatile chemical can be directly integrated into existing chemical and fuel products to deliver environmental and economic benefits. Gevo has executed initial commercial-scale production runs at its isobutanol facility in Luverne, Minn., constructed in conjunction with ICM, a leading provider of proprietary ethanol process technology, and has a marquee list of partners including The Coca-Cola Company, Sasol Chemical Industries, and LANXESS, Inc., an affiliate of LANXESS Corporation, among others. Gevo is committed to a sustainable bio-based economy that meets society's needs for plentiful food and clean air and water. For more information, visit



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