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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

Review of Beijing's comprehensive motor vehicle emission control programs

Transportation is a key contributor to air pollution in urban areas. Beijing, a city with historically poor air quality, has implemented new standards and programs to combat vehicular emissions....
Published 2015.11.05: Publication

The miseducation of the diesel car

I recently read an open letter in the Corriere della Sera by a VW engineer working on engine development and emissions (that’s what I call a hot seat!). The letter contains some pretty remarkable...The preliminary agreement on the EU's Real-Driving Emissions regulation is a missed opportunity to address the air-quality problem by forcing the technological adjustments required to bring real...
Published 2015.11.04: Blog Post

What EU cars’ CO2 emissions have in common with supermarket prices

When you think back to your most recent stop at the supermarket, you will probably recall that most of the price tags you saw ended with the digit "9". Maybe 99 cents for a chocolate bar and 49 cents...It’s about 15 times more likely that the official CO2 emission level of a new car sold in the EU is something-"9" g/km than something-"1”. And there’s a remarkable correlation between that phenomenon...
Published 2015.10.14: Blog Post

Policy solutions to reduce vehicle exhaust emissions under real-world driving conditions

Policymakers worldwide are looking for ways to address the challenge of controlling real-world emissions brought to forefront by the Volkswagen case. In this position brief, we propose a rapid and...
Published 2015.10.01: Publication

Dispelling some myths about the gap between test-lab and real-world vehicle CO2 emissions

We've just released the annual update to our From Laboratory to Road series, which documents the growing gap between official, or type-approval, CO2 emissions from passenger cars in Europe and their...An explanation of what has and has not caused the gap between test-lab and real-world vehicle CO2 emissions to increase by over 30 percentage points in just over a decade.
Published 2015.09.30: Blog Post

Brazil is not ready for diesel cars

The Portuguese version of this blog was developed by Instituto de Energia e Meio Ambiente (IEMA). Sales of diesel passenger cars and commercial vehicles with capacity inferior to 1,000 kg have been...Brazil should hold the line and continue to ban sales of diesel passenger cars.
Published 2015.09.28: Blog Post

Testing the dirty diesels too

The new head of Secretariat of the Environment and Natural Resources (SEMARNAT), Rafeal Pacchiano Alamán, has announced that Mexico will undertake a real-world, in-use testing program for diesel...Mexico's newly announced real-world testing program for diesel vehicles is a great step. Unfortunately, we already know they won’t be clean. So there are other steps to take.
Published 2015.09.28: Blog Post

China's commitment to improving heavy-duty vehicle efficiency [Press statement]

Last Friday, during President Xi Jinping’s visit to Washington, DC, China announced further significant steps to limit greenhouse gas emissions. Among the important elements of China’s strategy is a...
Published 2015.09.28: News

FAQ: In-use NOx emissions from diesel passenger cars

As the story concerning in-use NOx emissions from diesel passenger vehicles continues to unfold, a number of questions concerning the ICCT's past and on-going research into discrepancies between...
Published 2015.09.25: News

Why heavy-duty engine standards put India on the best path forward

Last week, my colleague Anup Bandivadekar and I held a webinar to discuss the heavy-duty truck and bus market in India and considerations for an upcoming regulatory program to improve the fuel...Efficiency standards for engines are the most advantageous regulatory design option for India to maximize near-term fuel savings and emission reduction benefits from new heavy-duty vehicles. Engine...
Published 2015.08.25: Blog Post

广东省在用车排放控制方案评估与分析比对报告

控制在用车排放,特别是高排放的老旧车辆,能够快速有效的缓解城市空气污染。 随着中国空气质量改善压力的与日俱增,为减少使用机动车对环境所造成的影响,广东省已经采取了多种方法来减少现有的在用车排放。 广东各市都根据自身的特殊情况和需求,因地制宜的制订出了不同的管理方案。目前,广东省比较普遍的在用车排放控制措施包括通过I/M管理、遥感监测、现场检测、公众监督等手段开展在用车达标管理;推广使用清洁燃料...
Published 2015.06.30: Publication

Costs and benefits of motor vehicle emission control programs in China

China has made tremendous progress in emission control for on-road vehicles (light-duty vehicles, buses, and heavy-duty trucks) in recent decades. The vehicle population in China grew nearly...
Published 2015.06.29: Publication

Policies to reduce fuel consumption, air pollution, and carbon emissions from vehicles in G20 nations

The transport sector consumes more than half of global oil production, and releases nearly a quarter of all anthropogenic carbon dioxide emissions. Motor vehicles and engines contribute to ambient...
Published 2015.06.08: Publication

Exploring the climate and health benefits from public transit

As the world rapidly becomes more motorized and more urban, it faces an increasingly urgent dilemma: how to move people efficiently while improving air quality and reducing climate impacts. In high-...It is possible to mitigate climate change and lower health impacts through less reliance on private automobiles, reduced urban sprawl, higher rates of public transit, and stringent vehicle emission...
Published 2015.05.08: Blog Post

Early adoption of China 5/V vehicle emission standards in Guangdong

On February 15, 2015, the Guangdong Environmental Protection Department (EPD) announced a province-wide plan for early adoption of China 5/V (Euro 5/V-equivalent) tailpipe emission standards....
Published 2015.05.08: Publication

Technical training workshop on light-duty vehicle regulations

Taller de Capacitación Técnica en materia de regulaciones para vehículos ligeros  Organizado por el Centro Mexicano de Derecho Ambiental (CEMDA) en colaboración con el International Council on Clean...
Published 2015.04.23: Event

Want to help China's smog problem? Some lessons learned from the U.S. Clean Air Act

Over the past two weeks, former CCTV reporter Chai Jing’s documentary “Under the Dome – Investigating China’s Smog” caused a sensation in China and the rest of the world. We were (naturally)...China is in the process of amending its Clean Air Law. Experience with the CAA highlights some key principles that can help give environmental agencies the teeth they need.
Published 2015.03.13: Blog Post

Accelerating progress from Euro 4/IV to Euro 6/VI vehicle emissions standards

After the adoption of Euro 5/V standards in the EU, certain shortcomings in the regulation became apparent. For heavy-duty vehicles, Euro V standards have not achieved hoped-for reductions for NOx...
Published 2015.03.05: Publication

Making Bharat VI affordable

Public anxiety is building over severe pollution levels in Delhi and the health toll of air pollution in India as a whole. At a recent hearing of the long-standing case on air pollution, the Ministry...India is considering making a jump from Bharat IV directly to Bharat VI emissions standards. There are some concerns about cost. One effective way to answer them would be to establish a national HDV...
Published 2015.03.02: Blog Post

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