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Jul06
Aviation biofuel
The Air Transport Action Group, in collaboration with CFM, Airbus and Boeing, has produced a booklet, "Beginners guide to aviation biofuels" which I thought was a clear introduction to the subject. For more details, see www.enviro.aero/Biofuels.aspx.
While - obviously - it is an aviation industry publication, it does try not to overstate its case. For example, it admits that describing biomass-derived fuel as "carbon neutral" is not strictly true - while carbon absorbed during the growing stage of a plant equals the carbon emitted when the resultant fuel is burnt, there are also carbon emissions during production, harvesting, transportation and creation of the fuel. So biomass for aviation will only lead to an 80% reduction in overall CO2 emissions compared with the equivalent fossil fuels.
The booklet explores things like the technical challenges (the specifications the new fuels need to meet in order to be safe and usable) and the timescales (50% of commercial flights may be bio-fuelled by 2050).
A valuable resource, available from the website or from doddh@atag.org
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