The Partnership for AiR Transportation Noise and Emissions Reduction, a group led by MIT and funded by US FAA, NASA, DOD, DOT and Transport Canada, says it has developed a new procedure that could save 1 billion gal. of aviation fuel a year, a 6% reduction based on estimated 2009 fuel use. Through En Route Traffic Optimization, the theory is that air traffic controllers armed with new algorithms can route aircraft at the most efficient flight levels and via the most direct paths. So, is ...

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