29 September 2014
Southwest Airlines is the latest carrier to experiment with renewable jet fuel. It recently signed an agreement with Red Rock Biofuels to purchase low-carbon fuel made from forest residue, according to Green Car Congress.
Southwest will buy approximately 3 million gallons of the renewable fuel per year, with the first deliveries expected in 2016 for use in the San Francisco Bay Area.
The jet fuel starts out as woody biomass feedstock, which undergoes gasification to release a "synthesis gas," which is then processed and liquified into hydrocarbons.
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