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Old November 18th, 2015, 08:56 AM   #1
SheLL
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Transatlantic airline efficiency

"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 the highest quality publicly available and commercial operations data with sophisticated aircraft fuel burn modeling to benchmark the fuel efficiency of carriers on a passenger kilometer basis. The study explains the fuel efficiencies of individual carriers and highlights the most important drivers of efficiency in the aggregate."




Highlights

The fuel efficiency gap between the most and least fuel-efficient airlines on 2014 transatlantic operations was 51%. That is roughly twice the performance gap between the best and worst U.S. airlines on domestic operations (25% in 2014).

The three least-efficient airlines (Lufthansa, SAS, and British Airways) were collectively responsible for one-fifth of transatlantic available seat kilometers and burned 44-51% more fuel per passenger kilometer than the most efficient, Norwegian Air Shuttle.

A nonstop round-trip transatlantic flight averaged about one tonne of CO2 emissions per passenger, equivalent to emissions from a 35-km daily commute in a Toyota Prius over a work year.

Seating configuration and aircraft fuel burn (i.e., fuel economy of the aircraft operated) are the two most important factors influencing airline fuel efficiency; together they explain about 80% of the variation in fuel efficiency among the airlines studied.

Passenger load factor (i.e., percentage of seats filled) and freight carriage are relatively less important drivers of fuel efficiency.

Airlines that have invested in new, advanced aircraft (e.g., Norwegian Air Shuttle) are significantly more fuel-efficient than airlines flying older planes, highlighting the crucial role of technology (and thus performance standards) in driving down fuel consumption and associated carbon emissions.

The impact of premium seating on emissions is substantial: first class and business seats accounted for only 14% of available seat kilometers flown on transatlantic routes but approximately one-third of total carbon emissions.

For carriers like British Airways and Swiss, premium seating was responsible for almost one-half of their total emissions from passenger travel.


British Airways and Lufthansa carbon emissions in spotlight
Tanya Powley, Transport Correspondent




British Airways and Lufthansa have been identified as among the least fuel-efficient airlines flying on transatlantic routes, according to research by the group that helped expose the Volkswagen emissions scandal.
The two carriers, alongside Scandinavian airline SAS, were at the bottom of a table ranking the top 20 transatlantic airlines in 2014 for their carbon footprint compiled by the International Council on Clean Transportation, the independent environmental research group.

http://www.ft.com/intl/cms/s/0/e0255...#axzz3rp4mRrDL
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Last edited by SheLL; November 18th, 2015 at 09:15 AM.
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Old December 12th, 2015, 04:51 AM   #2
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It is in airline companies' best interest to improve aircraft efficiency.
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Old December 15th, 2015, 04:57 PM   #3
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wow Norway wins yet again!
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Old December 16th, 2015, 09:34 AM   #4
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This 'statistic' is mind bogglingly stupid!

Of course the Airlines with wide networks are less efficient than others on that particular part of the travel path. Their planes travel over the ocean with the largest amount of fuel on board because they fly further on.
And surprise, surprise the airlines, that cramp in the most passengers into their planes and only offer a limited number of flights to the US are the most efficient.

And in the eyes of an environmentalist this is completely backwards! The low cost carriers increased the number of planes polluting the atmosphere by offering air flights to a group of people that could not afford them before.
Urging traditional airlines to become more like low cost carriers like this article does, therefore means more pollution not less!

But anything that has to do with airplanes is always going to be on the horrible inefficient non-environmental site. Equating slightly less polluting planes with 'going green' or 'doing one's part' is insultingly stupid.

Also, building a plane take a lot of energy and carbon emissions too! Retiring 10 year old planes and replacing them with new ones is ecological worse most of the time.
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Last edited by Bbbut; December 16th, 2015 at 09:49 AM.
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Old December 20th, 2015, 01:52 AM   #5
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It is measured per company, per passenger/mile. So distance, number of planes is irrelevant.
It just shows how efficient these companies are.
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Old December 21st, 2015, 02:16 AM   #6
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Quote:
Originally Posted by CadÓr View Post
It is measured per company, per passenger/mile. So distance, number of planes is irrelevant.
It just shows how efficient these companies are.
if a first, business or economy ticket costs the same than yes, otherwise NO

this statistics only shows how "green" a company transport their passengers, not how efficent, because it is a question of the price of the tickets if you create more money with 3 business seats or 10 economy (factor from singapur airlanes on their A380 with two different configurations)
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