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Transitioning away from heavy fuel oil in Arctic shipping

As Arctic shipping increases, pressure is mounting to protect the environment from fuels that are harmful when burned and spilled, including heavy fuel oil (HFO). Presently, the IMO is working to...
Published 2019.02.18: Publication

Climate and air pollutant emissions benefits of bus technology options in São Paulo

Portuguese version In January 2018, the city of São Paulo, Brazil, adopted Law 16.802, an amendment to its Climate Change Law that sets 10-year and 20-year targets for fleetwide reductions in...
Published 2019.02.01: Publication

Benefícios de tecnologias de ônibus em termos de emissões de poluentes do ar e do clima em São Paulo

English version Em janeiro de 2018, a cidade de São Paulo, Brasil, adotou a Lei 16.802, uma amenda a sua Lei de Mudanças Climáticas que estabelece metas para os prazos de 10 e 20 anos de reduções...
Published 2019.02.01: Publication

The environmental and health impacts of a new generation of supersonic aircraft could be immense

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

Neue Generation von Überschall-Flugzeugen mit erheblichen Auswirkungen auf Umwelt und Gesundheit

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

Noise and climate impacts of an unconstrained commercial supersonic network

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

Long-term aviation fuel decarbonization: Progress, roadblocks, and policy opportunities

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

Unterschied zwischen offiziellem und realem Kraftstoffverbrauch für neue Pkw in Europa stagniert erstmals

Der reale Kraftstoffverbrauch neuer Pkw liegt heute durchschnittlich um 39 Prozent höher als der von den Fahrzeugherstellern angegebene Testverbrauch. Damit ging die Abweichung gegenüber dem Vorjahr...
Published 2019.01.10: News

Real-world vehicle fuel consumption gap in Europe is stabilizing

For the first time in years, the discrepancy between passenger vehicle type-approval test results and in-use fuel consumption and carbon dioxide (CO2) emissions did not increase, indicating a...
Published 2019.01.10: News

If we use livestock feed for biofuels, what will the cows eat?

Around one-third of all biodiesel produced in the U.S. is made from waste feedstocks like used cooking oil, animal fats, and inedible corn oil. But few waste feedstocks are really wastes; none of...“Waste” biodiesel from corn oil probably drives up corn production and could have resulted in 500 thousand extra tonnes of CO2e emissions in 2017.
Published 2019.01.10: Blog Post

NOx emissions from merchant vessels in coastal China: 2015 and 2030

This paper estimates NOx emissions from merchant vessels in China’s coastal region from 2015 to 2030. Our results indicate that merchant vessels have become a non-negligible source of NOx emissions,...
Published 2018.12.28: Publication

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

Using vehicle taxation policy to lower transport emissions: An overview for passenger cars in Europe

Transport emissions of carbon dioxide (CO2) have not decreased nearly as much as CO2 from all other sectors in Europe. Together with emission limits, taxes can help accelerate reductions by giving...
Published 2018.12.16: Publication

Put soot-free transport in your NDC

Climate news these days is downright depressing. Global CO2 emissions hit their highest level ever in 2017 and show no signs of peaking. Global average warming is now at 1 degree C and likely to...Soot-free transport will deliver black carbon reductions, which can help achieve the near-term cooling needed to meet a 1.5˚ C target. Climate negotiators in Poland this week ought to bring it into...
Published 2018.12.12: Blog Post

European vehicle market statistics, 2018/2019

The European vehicle market statistics pocketbook offers a statistical portrait of passenger car and light commercial vehicle fleets in the European Union, updated annually. The emphasis is on...
Published 2018.12.05: Publication

Fixing the broken super credits scheme of the proposed HDV CO2 standards

We are entering the final stretch of one of the most important races of the EU to decarbonize transport. If everything goes according to plan, in about four months the EU should become the sixth...If super credits are here to stay, we can at least try to make them better by getting buses out of the scheme and accounting for freight activity.
Published 2018.12.03: Blog Post

世界电动车之都:以先驱之势加速全球汽车电动化变革

在这份简报中,我们聚焦全球范围内电动乘用车累计销量最高的25个城市,用详实的数据展现了这些领先市场在电动汽车推广方面所取得的成功。25个城市截至2017年底的电动乘用车累计销量均超过2万辆,具体包括中国的北京、长沙、重庆、广州、杭州、青岛、上海、深圳、天津、武汉、郑州;英国的伦敦;法国的巴黎;日本的东京和京都;荷兰的阿姆斯特丹;挪威的卑尔根和奥斯陆;瑞典的斯德哥尔摩;以及美国的洛杉矶、纽约、...
Published 2018.11.08: Publication

The potential for low-carbon renewable methane as a transport fuel in France, Italy, and Spain

Renewable methane could conceivably displace natural gas for use in existing vehicle fleets, reducing greenhouse gas (GHG) emissions as well as emissions of air pollutants like NOx. It is important...
Published 2018.11.05: Publication

IMO: More efficient container and general cargo ships are on the horizon, but don’t pick on the small guys

On October 26, 2018, the International Maritime Organization (IMO) tentatively agreed to make some new ships more efficient in what will be an important step towards implementing the organization’s...IMO has tentatively agreed to make some new ships more efficient, but that’s on hold to address equity concerns. What does this mean for emissions and for further efforts to reduce climate pollution...
Published 2018.10.29: Blog Post

Comments on the Safer Affordable Fuel-Efficient (SAFE) Vehicles Rule for Model Years 2021-2026 Passenger Cars and Light Trucks

On August 2nd, 2018 the U.S. Department of Transportation’s National Highway Traffic Safety Administration (NHTSA) and the U.S. Environmental Protection Agency (EPA) issued a notice of proposed...
Published 2018.10.26: News

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