There are several others developing alternative aircraft with their own success . Electric hybrid ##s have a longer , quieter flight path . Airbus group uses electric planes to train pilots by 2018 . Company plans to have electric aircraft for 90 passengers in 15 - 20 years .
Electric hybrid ##s have a longer , quieter flight path . Airbus group uses electric planes to train pilots by 2018 . Company plans to have electric aircraft for 90 passengers in 15 - 20 years .