2 ms·
We've improved fuel efficiency by a factor of 8 since 1970: https://commons.m.wikimedia.org/wiki/File:Aviation_Efficiency_(RPK_per_kg_CO2).svg https://commons.m
by tfussell 4y ago
We've improved fuel efficiency by a factor of 8 since 1970: https://commons.m.wikimedia.org/wiki/File:Aviation_Efficiency_(RPK_per_kg_CO2).svg https://commons.m.wikimedia.org/wiki/File:Aviation_Efficienc...