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Carbon intensity gap surged to a new high of 63% for transatlantic carriers in 2017

Updated study shows fuel efficiency improving an average of 1% per year since 2014, less than industry goal. A study released today by the International Council on Clean Transportation (ICCT)found...
Published 2018.09.11: News

Transatlantic airline fuel efficiency ranking, 2017

This report compares the fuel efficiency of 20 airlines operating nonstop flights between the mainland United States and Europe. It uses the same methodology as in the 2016 transpacific fuel...
Published 2018.09.11: Publication

Reviving supersonic flight would likely have significant harmful environmental consequences, new analysis shows

New supersonic aircraft could burn 5 to 7 times more fuel than standard aircraft and exceed CO2 emission limits by 70% The re-introduction of supersonic transport aircraft (SST) into commercial...
Published 2018.07.17: News

Alternative jet fuel development and deployment in North America

International aviation GHG emissions from airline carriers based in Canada and the United States increased from 36.2 to 60.2 million tonnes (MtCO2e) per year from 1990 through 2015—and they are...
Published 2017.05.30: Publication

Transatlantic airline fuel efficiency ranking, 2014

This report compares the fuel efficiency, and therefore carbon intensity, of the top 20 airlines on transatlantic routes between North America and Europe in 2014. It is the first analysis to combine...
Published 2015.11.16: Publication

U.S. domestic airline fuel efficiency ranking, 2014

This study, the fourth in a series of yearly analyses of U.S. airlines on domestic operations, arrives as we near a potential turning point for public policy concerning aviation and the environment....
Published 2015.10.22: Publication

U.S. domestic airlines show no overall improvement in fuel efficiency in 2013

Spirit, Frontier tie Alaska for most fuel-efficient U.S. domestic airline in 2013  American slips, with no overall improvement for U.S. airlines Alaska, Spirit, and Frontier Airlines tied as the most...
Published 2014.11.19: News

U.S. domestic airline fuel efficiency ranking, 2013

The newest release of this annual rankings report compares the fuel efficiency, and therefore carbon intensity, of U.S. airlines on domestic operations in 2013. The report also investigates changes...
Published 2014.11.19: Publication

[News release] Quantifying a gap: Fuel efficiency performance of U.S. domestic airlines

The most fuel-efficient U.S. domestic passenger airline was 26% better than the least fuel-efficient one in 2010, according to a report released today by the International Council on Clean...
Published 2013.09.10: News

U.S. domestic airline fuel efficiency ranking, 2010

Aviation plays a vital role in the modern global economy, but it is a significant and growing source of greenhouse gas emissions, and of oil demand. GHG emissions from aviation are projected to...
Published 2013.09.10: Publication

Evaluating air carrier fuel efficiency and CO2 emissions in the U.S. airline industry

In light of volatile fuel prices, rising concern over climate change, and the global economic importance of aviation, developing the capability to evaluate airline fuel efficiency is critical. Policy...
Published 2013.09.10: Publication