Alternative jet fuels (AJFs) are among the few available in-sector approaches to reduce aviation sector emissions. Although the aviation sector has not played a prominent role in fuels policy to date...
Published 2019.03.20: Publication
The UN’s International Civil Aviation Organization (ICAO), which sets internal standards and practices governing civil aviation worldwide, wrapped up its 11th triannual environmental committee (CAEP/...The Trump administration’s push to fast track supersonic development just had a mid-air collision with environmental realities. Turbulent times lie ahead for commercial supersonic manufacturers.
Published 2019.02.17: Blog Post
Parts of Western Europe and North America could experience sonic booms every 5 minutes Emerging commercial supersonic aircraft could create severe environmental and health impacts by 2035 if plans...
Published 2019.01.30: News
Ein Wiederaufleben der kommerziellen Überschall-Luftfahrt könnte in den kommenden Jahren auch in Europa zu erheblichen negativen Umwelt- und Gesundheitsauswirkungen führen, sofern aktuelle Pläne von...
Published 2019.01.30: News
This paper estimates the environmental impacts of reintroducing commercial supersonic transport (SST) aircraft into the global aviation fleet. We model the landing and takeoff (LTO) noise, sonic boom...
Published 2019.01.30: Publication
Aviation is widely seen as the transport sector that is most difficult to decarbonize. One option to dramatically reduce emissions within the aviation sector is through the use of low-carbon...
Published 2019.01.15: Publication
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
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
The International Civil Aviation Organization (ICAO) appears to believe that the international aviation industry can meet its steep carbon targets under the Paris Agreement almost entirely through...It's unlikely that the aviation industry can meet its steep carbon targets almost entirely through the use of low-carbon fuels.
Published 2018.11.15: Blog Post
We often hear about how biofuels and other alternative fuels will be needed to decarbonize the aviation sector in the long-run. How easy or difficult will this be to achieve? There are already some...Although touted by some as necessary to decarbonize the aviation sector, logistics are still an issue for alternative jet fuels.
Published 2018.10.31: Blog Post
In the aviation industry’s vision of the future, neatly laid out by the International Civil Aviation Organization, airlines can meet all of their obligations under the Paris Agreement through simple...Proponents of alternative jet fuels often ignore the reality that many other sectors have laid claims to limited bio-resources as part of their own decarbonization strategies
Published 2018.10.24: Blog Post
Death, taxes, and supersonic aircraft? Considering what’s certain, and what isn’t, under the FAA Reauthorization Act
There’s an old saw, most famously attributed to Benjamin Franklin, that nothing in life is certain but death and taxes. More recently, some have argued that the return of commercial supersonic flight...Despite a nod to supersonic aircraft in the new FAA reauthorization, CO2 and noise standards are still uncertain.
Published 2018.10.10: Blog Post
The International Civil Aviation Organization (ICAO) relies heavily on the Carbon Offsetting and Reduction Scheme for International Aviation (CORSIA) to reduce greenhouse gas (GHG) emissions from...Despite ICAO's reliance on alternative jet fuels to decarbonize the avaiation industry, production does not appear to be keeping up.
Published 2018.10.09: Blog Post
In 2016, the International Civil Aviation Organization (ICAO) finalized a performance standard that will mandate reductions in carbon dioxide (CO2) intensity from new aircraft. The standard will be...
Published 2018.10.02: Publication
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
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
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
The International Civil Aviation Organization (ICAO) has not yet figured out how to decarbonize jet fuels. Under the Carbon Offsetting and Reduction Scheme for International Aviation (CORSIA),...ICAO's Carbon Offsetting and Reduction Scheme for International Aviation will probably not provide a meaningful framework to transition to alternative jet fuels.
Published 2018.08.06: Blog Post
This working paper discusses the potential of zero-emission technologies to reduce emissions from non-road transport, including aviation, maritime, off-road, and rail. These modes represent a quarter...
Published 2018.07.18: Publication
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