Last week, Alaska Air entered into a strategic alliance agreement with Gevo , a chemical company, to purchase its renewable jet fuel and fly the first-ever commercial flight on its alcohol-to-jet fuel (ATJ). Gevo’s patented ATJ is a clean burning, homegrown, drop-in jet fuel, which has the potential to deliver aviation biofuel at scale and at competitive costs. Alaska Air, which has set a target to use sustainable aviation biofuel at one or more of its airports by 2020, plans to fly a demonstration flight to test Gevo’s renewable jet fuel, once the company receives certification from the standards group – ASTM (American Society for Testing and Materials) International – which is expected to come in the second half of the year.