Re:Tourism Is Overwhelming the World's Top Destinations
by wasdfff on Monday August 12, 2019 @10:06PM
(#20682163)
How are you defining efficient? Airlines are time efficient but obviously not environmentally efficient.
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Re:Tourism Is Overwhelming the World's Top Destinations
by nullwasamistake on Tuesday August 13, 2019 @09:24AM
(#20685551)
They are environmentally efficient, see the link I posted. They're one of the most fuel efficient means of transport