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U.S. airlines on track to meet one carbon goal, even without government leadership

In 2009, the International Air Transport Association (IATA), the global trade association for cargo and passenger air carriers, set three goals for the reduction of carbon dioxide (CO2) emissions...Airlines are expected to achieve their goal of an average improvement in fuel efficiency of 1.5% per year.
Published 2018.12.17: Blog Post

What you don’t know can hurt you: European vacation edition

In our recent transatlantic airline fuel efficiency study update, we compared the fuel efficiency of 20 airlines with routes between the United States and Europe. Most of the transatlantic routes in...Finding the lowest carbon flight for a specific trip is more complicated than simply choosing the most fuel-efficient carrier.
Published 2018.12.10: Blog Post

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

One weird trick to improve airline efficiency - gain belly weight!

In our recent transpacific airline fuel-efficiency ranking, we quantified the passenger-based fuel efficiency of 20 airlines after correcting for cargo carried on passenger flights ("belly freight...Would ICCT's recent transpacific fuel efficiency ranking change if dedicated freighters were taken into account? Did the rankings incorrectly reward airlines for carrying belly freight when putting...
Published 2018.02.22: Blog Post

Hainan and ANA operate the most fuel-efficient transpacific flights

New study ranking 20 carriers shows 64% gap between leaders and least efficient Qantas Hainan Airlines and All Nippon Airways (ANA) ranked first in overall fuel efficiency among transpacific...
Published 2018.01.16: News

Canada-U.S. transborder airline fuel-efficiency ranking

More than 27 million passengers flew between the United States and Canada in 2016, and this number is expected to double in two decades. Despite regulatory efforts to curb aviation emissions,...
Published 2017.12.27: Publication

Profits and carbon emissions surge for U.S. domestic airlines

Low fuel prices and high travel demand undercut overall fuel-efficiency gains in aircraft operations in 2015 and 2016, study finds Annual fuel-efficiency ranking of domestic carriers shows Alaska...
Published 2017.12.14: News

Maximizing aircraft fuel efficiency: Don’t skimp on R&D

Part 4 in a series featuring interviews with experts who worked with the ICCT on our cost assessment of near- and mid-term technologies to improve new aircraft fuel efficiency. The aim of the series...An interview with Dr. Fay Collier, Associate Director for Flight Strategy, Integrated Aviation Systems Program at NASA Aeronautics and a former Project Manager at NASA Environmentally Responsible...
Published 2017.08.15: Blog Post

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

Brother, can you spare three cents (for the climate)?

Optimism is growing for a potential deal at ICAO’s 39th Assembly this week on a global market-based measure (MBM) to price carbon emissions from international aviation. Under the system, carriers...A back-of-the-envelope calculation shows that the ICAO agreement would entail the aviation industry paying about three cents on the dollar of its climate damages from 2021 to 2035.
Published 2016.10.03: Blog Post

Cost-effective fuel-efficiency technologies could reduce new aircraft fuel consumption by 25% to 40% in near- to mid-term: New study

Feasible improvements dwarf the efficiency of new aircraft designs currently proposed or planned by manufacturers Substantial gap highlights need for more effective public policies to push energy...
Published 2016.09.27: News

Cost assessment of near- and mid-term technologies to improve new aircraft fuel efficiency

This report summarizes the results of the first independent, bottom-up cost assessment of near and mid-term technologies to improve new aircraft fuel efficiency. Carried out in cooperation with a...
Published 2016.09.27: 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

Fuel efficiency trends for new commercial jet aircraft: 1960 to 2014

This report updates a 2009 study that analyzed the sales- and activity-weighted fuel efficiency improvement of commercial jet aircraft from 1960 to 2008. It improves on that work in several...
Published 2015.09.03: 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

Back to the Future: Return of the Turboprop?

Many travelers view turboprop aircraft as old-fashioned and uncomfortable compared to more passenger-friendly regional jets, which generally fly faster and farther. But the reality is that turboprops...Many travelers view turboprop aircraft as old-fashioned and uncomfortable. But they offer excellent fuel efficiency, and may make a comeback in an era of higher fuel prices.
Published 2014.06.03: Blog Post

Airline efficiency: Waiting for ICAO?

The gap between the most fuel-efficient and least fuel-efficient airlines on U.S. domestic operations stayed rock-steady at 26% from 2010 to 2012. Meanwhile, overall industry fuel efficiency improved...U.S. airlines' fuel efficiency improved about 1.1% per year in 2010–2012, short of both the U.S. government's assumptions in its GHG reduction plan and ICAO's goal. Meanwhile, public policies are...
Published 2014.05.05: Blog Post

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