Wednesday, June 8, 2016

[biofuelwatch] Fwd: "South Dakota corn fuels two flights" / FOX 43 / June 8, 2016

South Dakota corn fuels two flights


by CNN Wire / FOX 43 / June 8, 2016


Description: orn field under the blue sky and clouds (Credit: ThinkStock)


Corn field under the blue sky and clouds (Credit: ThinkStock)


LONDON, England — Fancy a corn-powered flight?


Alaska Air carried paying passengers on two flights Tuesday using a mix of jet fuel and a biofuel made from corn.


The airline said the flights were the first ever to use fuel based on alcohol made from fermented corn. Both departed from Seattle — one flew to San Francisco, the other to Washington D.C.


The biofuel was developed by Colorado-based Gevo. The production process is similar to that used to make ethanol — the type of alcohol used in alcoholic beverages.


Gevo said it buys field corn directly from farmers in South Dakota. It

separates the nutritional protein for animal feed and then converts the starch to isobutanol, a kind of alcohol that is then converted to jet fuel.


Jet fuel derived from isobutanol was only approved for use on commercial flights by U.S. regulators in March.


Other aviation biofuels have been tested before. The first commercial flight powered by a mixture of conventional fuel and biofuel took place in 2011.


But airlines have been reluctant to adopt alternative fuels because they're expensive. At the same time, the price of oil has been falling, making conventional fuels cheaper for the carriers.


Depending on the type, biofuel can cost between a third more and three times more than conventional fuel, according to RDC Aviation Economics.


Gevo said its new fuel could address those concerns because it can be derived from other, cheaper inputs such as sugar or waste wood.


"Gevo's jet fuel product is an important step forward, in that it has the potential to be scalable and cost effective, without sacrificing performance," said Joseph Sprague, Alaska Airlines' senior vice president.


The airline estimated the 20 percent biofuel blend it used for the two flights reduced greenhouse gas emissions by 50 percent.


Rachel Smolker, Ph.D.
Biofuelwatch (codirector)
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Biofuels are a wide range of fuels which are in some way derived from biomass.

Your idea?