ICCT updates US airline fuel efficiency rankings; Alaska stays on top, American on bottom
Green Car Congress
OCTOBER 22, 2015
on an RPM (revenue passenger miles) per fuel basis, due in large part to a 1% increase in average passenger load factor to 84% in 2014and higher seating densities (and greater passenger discomfort) on domestic flights. On average, Alaska has operated the most efficient US domestic flights for five years running since 2010.
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