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Vehicle and fuel standards can dramatically reduce air pollution in Brazil, São Paulo’s air quality data demonstrate

São Paulo’s Environmental Agency, CETESB, announced in February 2017 that new heavy-duty vehicle emissions standards will take effect in Brazil starting in 2019, and as we discussed here, the next... Implementing P-8 (Euro VI-equivalent) standards for trucks and buses might be the most cost-effective way to improve air quality, not just in São Paulo but nationwide. The benefits associated with P...
Published 2017.05.31: Blog Post

Global webinar on impacts and mitigation of excess diesel NOx emissions in 11 major vehicle markets

A new study published online May 15 in the journal Nature quantifies the global health and environmental burden of real-world diesel NOx emissions in 11 major vehicle markets. The study found that...
Published 2017.05.22: Event

A historical review of the U.S. vehicle emission compliance program and emission recall cases

Emission recalls are a critical aspect of vehicle emission compliance and enforcement programs. An emission recall is a repair, adjustment, or modification program conducted by a manufacturer to...
Published 2017.04.12: Publication

Beyond hazardous

In Beijing, air pollution is once again off the charts. The first red alert of the winter was issued in December while I was there, and the heavy smog (mixed with apparently hazardous fog) is now... In Beijing, air pollution is once again off the charts. The air-quality challenge is exacerbated by geographical and meteorological conditions, but the human-made pollution is anything but a natural...
Published 2017.01.04: Blog Post

Leapfrogging an outdated standard puts India on par with global leaders in control of vehicle emissions

On September 16, 2016 the Government of India took an important step towards addressing the country’s severe air pollution problems with the final notification of Bharat Stage (BS) VI emission... The adoption of Bharat Stage VI emission standards will significantly reduce air pollutant emissions from vehicles sold in India beginning in 2020. However, changes in the final rule notification...
Published 2016.10.11: Blog Post

Workshop on particle emissions from heavy-duty buses and trucks, alternatives for Mexico City

The workshop was held at the Quinta Colorada in Chapultepec Park on September 26 and 27, 2016 and was co-sponsored by the ICCT and the Climate & Clean Air Coalition (CCAC). Mayor Miguel Ángel...
Published 2016.10.05: Event

Heavy fuel oil is considered the most significant threat to the Arctic. So why isn’t it banned yet?

Heavy fuel oil (HFO) is the bottom of the barrel leftovers from the oil refining process. It is incredibly viscous; at room temperature, it can be the consistency of peanut butter. Few engines can... When we know that heavy fuel oil is the biggest threat to the Arctic marine environment, dangerous to human and environmental health, and already banned in the Antarctic, shouldn’t we seriously...
Published 2016.09.15: Blog Post

In the land of the midnight sun, Arctic shipping is on the rise

The luxury cruise ship Crystal Serenity offers many excursions on its unprecedented 32-day voyage through the icy waters of the Northwest Passage. One of them was a recent visit to Shishmaref, Alaska... As we gain a more complete understanding of ship activity using the satellite AIS data, we can better estimate the environmental and economic effects of international shipping, especially in fragile...
Published 2016.08.29: Blog Post

Reducing vehicle emissions in Turkey

Turkey is one of the largest vehicle manufacturing countries in the world, and the auto industry plays a key role in the Turkish economy. For Turkey, it is of particular importance to ensure that...
Published 2016.08.17: Publication

The voyage of the Crystal Serenity and the risks of Arctic shipping

Figure 1. The Crystal Serenity's journey through the Northwest Passage, 16 August to 17 September 2016. As the Arctic warms, areas once clogged by sea ice are increasingly accessible to fishing, oil... However unprecedented, the Serenity’s voyage is a sign of things to come and may be the beginning of a boom in Arctic vessel activity. While Arctic shipping may bring economic benefits to both local...
Published 2016.08.17: Blog Post

Mexico City commits to a soot-free urban bus fleet

In Mexico City the summer rains have brought temporary relief from the choking, eye-watering, crisis-level air pollution of the spring. Driving restrictions have been lifted for private cars (... For any city wanting to reduce air pollution from vehicle emissions, buses are an obvious place to start. Mexico City has requested our support, and we will be developing a joint workplan, to kick...
Published 2016.07.28: Blog Post

Opel's admissions of defeat device calibrations

A little while ago I blogged about the widespread practice by automakers in the EU of reducing nitrogen oxide (NOx) emission controls at ambient temperatures below 10 °C–17 °C and after a hot restart... Opel admits to reducing vehicle emission controls based on conditions other than ambient temperature or restart. Opel says its “engines are in compliance” in Europe. But, once again, they would not...
Published 2016.06.15: Blog Post

Jogos sujos: uma proposta de lei para revogar as restrições aos carros a diesel no Brasil

Coincidência ou não, enquanto os brasileiros estão distraídos pelo impeachment da presidenta Dilma Rousseff, tumultos políticos, recessão econômica, Olimpíadas e o Zika, uma comissão especial na... Enquanto a Europa e outros países lutam para controlar as emissões descontroladas dos carros a diesel, o Brasil—distraído pelo caos político, Jogos Olímpicos e o Zika—acabou de propor a revogação...
Published 2016.05.06: Blog Post

A dirtier kind of Games: A proposal to lift restrictions on diesel cars in Brazil

Versão em Português Coincidence or not, while Brazilians are distracted by the impeachment of President Dilma Rousseff, other political turmoil, economic recession, the upcoming Olympics, and the... As Europe and other countries struggle to control crisis-level emissions from diesel cars, Brazil—wracked by political turmoil and distracted by the Olympics and the Zika virus—has just proposed...
Published 2016.05.05: Blog Post

Should Delhi ban diesels?

Next week the verdict will be in on whether Delhi Chief Minister Arvind Kejriwal achieved any meaningful reductions in vehicle emissions with his “odd-even” scheme to cut down on the number of... The health evidence on diesels justifies actions that extend restrictions on diesels until they are cleaner. The court should consider a new tax scheme on diesels to pay for their health damages or...
Published 2016.04.29: Blog Post

First look: Results of the German transport ministry's post-VW vehicle testing

In September 2015, shortly after it became known that Volkswagen applied illegal defeat devices in some of its diesel vehicles, the German Ministry for Transport (BMVI) commissioned a series of... Germany, the UK, and France last week released results of testing they commenced after VW admitted to using defeat devices to circumvent emissions tests. The situation seems even worse than expected...
Published 2016.04.25: Blog Post

A vision through the smog

Mexico City just experienced its first air pollution alert in more than a decade, and President Enrique Peña Nieto has asked SEMARNAT to do something. There are plenty of things to be done. A Supreme... Mexico City just experienced its first air quality alert in more than a decade. The emergency measures being called for aren't enough to fix the problem. Here's what should be done.
Published 2016.03.18: Blog Post

Environmental risks of diesel passenger vehicles in Brazil

DOWNLOAD PORTUGUESE VERSION (PDF)   Although Brazil has restricted the sale of diesel passenger cars since the 1970s, an auto industry lobby has been pressuring the government to lift the...
Published 2016.03.11: Publication

Money in your pocket and a good night's sleep

Mike Roeth at the North American Council for Freight Efficiency told me a story last week about a U.S. husband-and-wife trucking team. The husband was reluctant to give up his 12-year-old truck,... Helping (again) to correct some misinformation about the costs of cleaner heavy-truck emission standards in Mexico and the United States.
Published 2016.03.04: Blog Post

Costs and benefits of shore power at the port of Shenzhen

China is home to seven of the world’s ten largest and busiest container ports. While these ports bring an economic benefit to China, they also bring shipping-related emissions. Studies conducted in...
Published 2015.12.28: Publication

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