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comment by thundara
thundara  ·  4039 days ago  ·  link  ·    ·  parent  ·  post: Amazon Prime Air

I wonder what the energy efficiency is of those unmanned vehicles that can fly the crow's path, but must constantly be fighting wind / gravity and can only carry one item at a time vs. entire delivery trucks that must travel indirect roads, stop and start at traffic lights, but can carry hundreds of packages.