NASA is investing millions into the effort of creating more eco-friendly airplanes for cleaner air. The project is called N+3 and looks ahead three generations into the future of aircraft design - calling for developments completed by 2030 to 2035. As with most technological innovations these days, less is more. The planes will use 70 percent less fuel, emit 75 percent less … [Read more...] about NASA Plans to Develop Eco-Friendly Airplanes