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I think that the phrase is incorrect (since it is a free edit dictionary) as the F-22 is as large as any contemporary two-engined fighter plane. Also, the only way to camouflage a plane so far is to simply paint it a blue-greyish color, which is the average color of the sky.
Jeffrey Hoffman
Wasn\'t this jet supposed to be cancelled by the Pentagon?
Janet Bratter
In spite of the article\'s attempt to make the use of biofuel to power this Air Force jet as benign as possible (the residue use as cattle feed, the plant used is non-edible for humans, less oil-based jet fuel is used, less fertilizer is needed, etc.), what is not addressed is how much arable land would be taken out of service for growing this bio-jet-fuel plant. It still boils down to taking food out of the mouths of a hungry planet for the sake of the never ending pursuit of more efficient death-dealing weapons systems.
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The benefit of using vegitated sources such as switchgrass, kudzu and camelina is that
the need of water, fertilizer and soil quality is not required at the same level to farming edible products. Soil of poorer quality can be put to use to grow vegitable sources that
are,though inedible, they will have a growing and valuble social need . Energy.

The experiment of camelina as a jet propellant will not be limited to military usage.
The test of these biofuel sources will have valuble impact on comercial transportation
such as Southwestern Airlines, automobiles , trucks, motorcycles and the like.

My question is why is it taking so long for The U.S. to see the potential of Bio-fuels
in comparrison to carbon based energy sources. The resourcesare just as plentiful
to harness as fossil fuel sources.
Janet, there\'s something to be said for pacifism, but your knee-jerk aversion to anything having to do with the armed forces is blinding you to the facts. Camelina is also a rotation crop for wheat, improving crop yields for the latter. You can\'t plant wheat in the same soil year after year without degrading its fertility. Crop rotation is an essential agricultural technique. Camelina oil can also be used for cooking and some sources say it\'s healthier than many of the oils we currently use, like corn or soybean.
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To grow a plant for biofuel means to destroy many forests and habitats and efficiency ozone for an army of planes or cars. Does US army they know what disaster they propose to "save" the Planet? Why they don't waste the money on hydrogen or water fuel engines, because water will be more available if they destroy the forest and after that the Antarctica?!
Gazeteer, if camelina can be used for cooking, then it must be edible. Unless you\'re speaking of cooking inedible stuff.
Why are people who know nothing about science commenting on stories about science? \"Water fuel engines\"? That\'s about as stupid a notion as anyone can come up with. Hydrogen from water is great, except it takes a lot of energy to create it, more than you get from burning the hydrogen. And hydrogen is very bulky and extremely difficult to store and handle. Just look at how big and complex the space shuttle external fuel tank is. You can\'t just pump it into an existing fuel tank and use it like jet fuel. Besides, camelina can grow in areas that will not support conventional agriculture. You don\'t have to \"destroy many forests\" to grow it. Also, the \"US Army\" doesn\'t fly the F-22. The Air Force does. And developing domestic biofuels is not just to \"save the planet.\" The US military burns over 100 million barrels of oil a year, most of which doesn\'t come from US sources. It\'s just not smart to rely on sources of oil that may or may not be friendly with us in the future.
Iggy, what are you talking about? Yes, camelina oil is edible. Just like canola oil. Do you know of anyone who eats canola seeds? Refined cottonseed oil is also usable for cooking. Raw cottonseed can be toxic for humans, but is fine for cattle feed, so yes, there are seeds that are inedible for humans yet usable for cooking oil. Please learn something before you embarrass yourself further.
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Gadgeteer -
It\'s not you, you are not crazy. I am reading the other posts and scratching my head as well. It is almost as if they cannot read, but, have somehow managed to learn to type. It\'s a scientific anomaly to be sure.
Most of them probably don\'t even realize that this IN-TER-NET thing that they are consuming was created, and funded, by the U.S. Department of Defense. So, if it weren\'t for those \'death-dealing\' weapon mongers, or whatever Janet called them, she wouldn\'t have a forum to spew her ineptitude.
The article is encouraging because we (the U.S. Air Force) are spending money on something with a broad range of potential applications. Someone had asked why were aren\'t doing more with BioFuels. Doesn\'t this article prove that we are trying to do more with them? We have learned that Corn is not economical or sustainable and has many other issues mentioned above (arable land, crop depletion, etc.). It seems that this is a step towards finding sustainable and economical solutions to BioFuels. Of course, the article didn\'t mention what it costs, but what it costs today isn\'t really all that relevant anyway.
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Uhhh... Firstly, to the hydrogen fuel guy... You got to learn English before you post here, in order for your opinion to be taken remotely seriously.
To the people arguing that biofuels waste land and energy on plants that won\'t feed humans... If you\'ve read the article at all, it explains that the plant (camelina) requires much less fertile land than other staple crops, and requires less water. I would rather have people develop biofuel from a crop that doesn\'t need water or fertilizer, than from crops such as corn that require a ton of fertilizer, and quite frankly, would be better served in feeding the starving populations of the world than for ethanol in our SUVs.