This study assesses the fuel efficiency of U.S. airlines on domestic operations in 2017 and 2018. Revenue passenger miles (RPMs) increased 10% and departures increased by 4% from 2016 to 2018. Fuel efficiency in terms of RPMs per gallon of fuel consumed improved by 3%. The net result was a 7% increase in overall fuel burn and CO2 emissions from domestic passenger operations. Over the past five years, CO2 emissions from U.S. domestic operations have increased by 15%. [2]
Links:
[1] http://admin.indiaenvironmentportal.org.in/reports-documents/us-domestic-airline-fuel-efficiency-ranking-2017-2018
[2] http://www.indiaenvironmentportal.org.in/files/file/Domestic_Air_Efficiency_Ranking_2018_2019.pdf
[3] http://admin.indiaenvironmentportal.org.in/category/author/xinyi-sola-zheng
[4] http://admin.indiaenvironmentportal.org.in/category/author/brandon-graver
[5] http://admin.indiaenvironmentportal.org.in/category/author/dan-rutherford
[6] http://admin.indiaenvironmentportal.org.in/category/publisher/international-council-clean-transportation-icct
[7] http://admin.indiaenvironmentportal.org.in/category/thesaurus/fuel-efficiency
[8] http://admin.indiaenvironmentportal.org.in/category/thesaurus/air-transport
[9] http://admin.indiaenvironmentportal.org.in/category/thesaurus/fuel-economy-standards
[10] http://admin.indiaenvironmentportal.org.in/category/thesaurus/united-states-america-us
[11] http://admin.indiaenvironmentportal.org.in/category/thesaurus/carbon-dioxide