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Message: <blockquote data-quote="cheryl" data-source="post: 1935" data-attributes="member: 1"><a href="http://The%20fresh%20air%20of%20the%20snow-covered%20Swiss%20mountains%20reverberated%20to%20the%20howl%20of%20private%20jet%20engines%20earlier%20this%20year%20as%20the%20planet's%20movers%20and%20shakers%20descended%20on%20Davos%20for%20the%20annual%20World%20Economic%20Forum.%20But%20while%20those%20engines%20were%20thirstily%20burning%20up%20aviation%20fuel,%20the%20net%20environmental%20impact%20of%20their%20exhaust%20emissions%20wasn't%20as%20bad%20as%20it%20might%20have%20been%20in%20previous%20years.%20The%20reason%3A%20many%20of%20them%20were%20powered%20by%20something%20called%20SAF,%20or%20sustainable%20aviation%20fuel.%20SAF%20is%20derived%20not%20from%20fossil-based%20oil%20or%20gas,%20but%20by%20refining%20organic%20or%20waste%20substances%20--%20the%20use%20of%20which%20means%20less%20harm%20to%20the%20planet." target="_blank">What sustainable aviation fuel means for greener airplane travel - CNN</a>The fresh air of the snow-covered Swiss mountains reverberated to the howl of private jet engines earlier this year as the planet's movers and shakers descended on Davos for the annual World Economic Forum.But while those engines were thirstily burning up aviation fuel, the net environmental impact of their exhaust emissions wasn't as bad as it might have been in previous years.The reason: many of them were powered by something called SAF, or sustainable aviation fuel.SAF is derived not from fossil-based oil or gas, but by refining organic or waste substances -- the use of which means less harm to the planet.</blockquote>

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