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It's bad enough for some propeller airplanes to be explained as being powered by rubber bands. Now the cynics might begin having a dig at business airplane flying on everything from cooking oil to melted algae.
With the civil air travel market under increasing pressure from increasing oil costs and ecological legislation, the race is on to find viable options to conventional kerosene and these so far appear to come down to numerous kinds of biofuel.
Not surprisingly, the first trials of alternative fuel were initiated by British aviation pioneer, Sir Richard Branson, whose Virgin Atlantic began London to Amsterdam flights with restricted biofuel usage in 2008. This was rapidly followed by Lufthansa and Air New Zealand who each used various blends of routine fuel and bio derivatives including some from made from jatropha curcas which can grow in soil thought about too poor for growing mainstream foodstuffs.
Jatropha is a genus of roughly 175 succulent plants, shrubs and trees (some are deciduous, like Jatropha curcas), from the household Euphorbiaceae.
In 2007 Goldman Sachs pointed out Jatropha curcas as one of the best candidates for future biodiesel production. It is resistant to drought and insects, and produces seeds containing 27-40% oil.
Recently, US aerospace giant Boeing, Brazilian aeronautical significant Embraer and the Sao Paulo state Research Support Foundation moved to carry out research study and advancement into making use of biofuels to power jet airliners. It was reported that Brazilian airlines Azul, Gol, TAM and Trip would serve as strategic experts for the project.
The most current airline to start exploring with new fuels is the Alaska Air Group which has actually carried out internal US flights using a mix of 80 % petroleum based fuel and 20% biofuel made from cooking oil. This mix, it is declared, can cut damaging emissions by 10%.
One really motivating advancement has been the move far from biofuels which contend head on with food customers thus avoiding a rate spiral. Not so long back, a surge in usage of biofuels in cars and trucks caused a spike in maize rates as US farmers diverted excessive corn to fuel processing.
Hopefully in the future, airlines and motorists will focus biofuel intake on such as jatropha curcas and algae. It would be a blended true blessing indeed if some people ended up starving simply to satisfy somebody else's green credentials.
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