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A comment on As the U.S. fantasizes, the rest of the world builds new transport system (2017). Parent comment

Re:As the U.S. fantasizes, the rest of the world builds new ... by WalterBright on Saturday December 22, 2018 @07:18PM (#18743410)
Airliners have gotten far more efficient over the last 40 years, starting with the 757/767. (The 757 design got its start from more efficient engines and a new wing shape.) In fact, efficiency improvements are the primary factor driving new airliner models and sales. At the time of the 757 launch, fuel was 40% of the operating cost of air travel.
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Re:As the U.S. fantasizes, the rest of the world builds new ... by rdl on Saturday December 22, 2018 @07:24PM (#18743450)
A huge improvement (for the biggest planes) is going to twins and ETOPS (not just fuel, also maintenance cost, but also fuel). Not as relevant to domestic routes, though.
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