NASA has purchased Gevo’s renewable alcohol-to-jet (ATJ) fuel for aviation use at its NASA Glenn Research Center in Cleveland, Ohio. NASA has been testing alternative aviation fuels to measure the atmospheric effects of their emissions at altitude and last year signed agreements with NRC of Canada and DLR of Germany as part of its Alternative Fuel Effects on Contrails and Cruise Emissions (ACCESS) programme. In January, Gevo announced the first supersonic test flight by the US Navy using a 50/50 blend of its fuel, which is currently undergoing scrutiny by fuel and aviation experts in efforts to have it certified for commercial aviation use.

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