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greenwashing
As I said before, your first order approximation for resource consumption is how much something costs. Flying is a thing because it's much cheaper than sailing.
Just in terms of fuel burn, modern wide body jet airliners are of the order of burning 1-2 times your own weight in jet fuel for an East Coast to Western Europe crossing (100-200kg, depending on aircraft type, capacity and load factor). QE2 burns nearly 2 tons of bunker oil per passenger to get from NY to Southampton.
For comparison, a single-occupant motor car doing 50mpg burns about 250kg of petrol or diesel to cover the same distance.
gbj_tester
withered_preacher
Howard
Speaking of greenwashing (upthread), what's the opinion here about an ocean crossing on the QM II vs a flight? If flying from here, we'd have one stopover on the way to UK, if sailing we'd still have to get to NYC, a very long train trip or shortish flight (from Winnipeg).