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New supersonic transport aircraft: Fuel burn parity, or environmental parody?

In 2016, Sir Richard Branson, president of Virgin Atlantic Airways, announced that the Virgin Group would assist aviation start-up Boom in developing a new supersonic transport (SST) aircraft.  Boom...Boom Technologies' CEO claims the company's proposed supersonic aircraft's fuel burn will be on par with subsonic business-class travel. Will it?
Published 2018.09.28: Blog Post

Market analysis of heavy-duty commercial trailers in Europe

Heavy-duty vehicles (HDVs) are currently responsible for about one-fourth of fuel consumption and greenhouse gas emissions from the transport sector in the European Union. Within the HDV sector in...
Published 2018.09.24: Publication

Assessing Canada’s 2025 passenger vehicle greenhouse gas standards: Benefits analysis

This paper is part of a series of reports on analysis done by the ICCT on Canada-specific technology pathways, costs, and benefits of Canada’s 2025 passenger vehicle greenhouse gas standards. The...
Published 2018.09.12: Publication

Assessing Canada’s 2025 passenger vehicle greenhouse gas standards: Technology deployment and costs

This paper is part of a series of reports on analysis done by the ICCT on Canada-specific technology pathways, costs, and benefits of Canada’s 2025 passenger vehicle greenhouse gas standards. The...
Published 2018.09.12: Publication

Assessing Canada’s 2025 passenger vehicle greenhouse gas standards: Methodology and OMEGA model description

This paper is part of a series of reports on analysis done by the ICCT on Canada-specific technology pathways, costs, and benefits of Canada’s 2025 passenger vehicle greenhouse gas standards. The...
Published 2018.09.12: Publication

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

Environmental performance of emerging supersonic transport aircraft

This paper provides a preliminary assessment of the environmental performance of new commercial supersonic transport aircraft (SST). Three U.S.-based startup companies are working to develop new SSTs...
Published 2018.07.17: 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

Fuel consumption and emissions testing of a best-in-class tractor-trailer in the US

The ICCT commissioned the Center for Alternative Fuels, Engines, and Emissions at West Virginia University to conduct track testing and chassis dynamometer testing to determine the aerodynamic drag...
Published 2018.05.15: Publication

Fuel consumption testing of tractor-trailers in the European Union and the United States

The ICCT commissioned the Institute for Internal Combustion Engines and Thermodynamics of the Graz University of Technology and the Center for Alternative Fuels, Engines, and Emissions at West...
Published 2018.05.15: Publication

How things work: OMEGA modeling case study based on the 2018 Toyota Camry

The 2018 Toyota Camry incorporates eight technology upgrades that are specifically modelled in the U.S. Environmental Protection Agency’s Optimization Model for Reducing Emissions of Greenhouse Gases...
Published 2018.02.21: 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

From laboratory to road international: A comparison of official and real-world fuel consumption and CO2 values for passenger cars in Europe, the United States, China, and Japan

This study investigates the gap between real-world and official CO2 emission values in the four largest vehicle markets in the world: China, the EU, Japan, and the United States. The analysis shows...
Published 2017.11.05: Publication

Heavy-duty vehicles technology potential and cost study

Heavy-duty vehicles produce about a quarter of all carbon dioxide (CO2) emissions from road transport in the European Union (EU), and some 5% of the EU’s total greenhouse gas (GHG) emissions. And...
Published 2017.05.26: Publication

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

Final U.S. Phase 2 heavy-duty vehicle efficiency rule sets standards that are ambitious, far-sighted, and achievable [press statement]

August 16, 2016—The standards for fuel consumption and greenhouse gas emissions of new medium- and heavy-duty vehicles announced today by the U.S. Environmental Protection Agency and Department of...
Published 2016.08.16: News

The future of vehicle emissions testing in Europe (and beyond)

At the ICCT we have been analyzing the growing gap between official and real-world vehicle fuel consumption and CO2 emissions of passenger cars in Europe for a few years now. We showed for the first...To solve the problem underlying the growing gap between certification-test and in-use CO2 and NOx emissions, we will have to go beyond just introducing a new test procedure.
Published 2015.11.23: Blog Post

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

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