4 ms·

Finally. This will be great for the environment and especially the climate.

• nitwit005 9y ago
  That seems unlikely. The energy cost of flying is always going to be higher. You do, after all, need to move upward.
  • sokoloff 9y ago
    I fly a piston engine airplane that seats 6 and gets ~15 miles per gallon at over 200mph. If I slowed it down, I could probably get it to 20mpg. That’s pretty competitive with 6-pax cars, so the spread may not be as much as you’d first imagine.