CNN Your Money June 7, 2014 18:27:00
>> reporter: in the 1970s, the future of air travel looked supersonic. concorde hu concorde heralded a time of fast and luxurious travel. briggient engine ie brilliant engineering, the economics didn't add up. concorde speed came as a price. a noisy gas guzzler. the characteristics that today's planemakers need to cut. efficient green in performance is what's steering 21st century production. >> well, the energy problem is one of the major drivers of us, of course. so we have to do something about it. reducing fuel burn is one way we do everything. very successfully in the past. another one, s...
Source: archive.org