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Novo processo licitatório poderia contribuir para ônibus sem fuligem e sem emissões em Campinas

(Post in English) A cidade de Campinas, no Brasil, está trabalhando para o estabelecimento de novos contratos para a prestação de serviços de transporte público na cidade. Como muitas cidades...Um plano ambicioso para renovação e eletrificação da frota posicionaria a cidade como um líder regional para um transporte público mais limpo e sustentável
Published 2019.03.13: Blog Post

Real-world NOx emissions from remote sensing: An update of the TRUE rating

Earlier this year the Real Urban Emissions initiative (TRUE, funded by the FIA Foundation and C40 Cities) completed a project using remote-sensing technology to measure nitrogen oxide (NOx) emissions...We recently finished collecting, cleaning up, and crunching the numbers from a real-world emissions measurement campaign in London using remote sensing. And we've updated the TRUE rating that...
Published 2018.12.17: Blog Post

To be fast or to be furious?

Three years have passed since ICCT’s popular staff blog "Fast and Furious" discussed China’s bold actions to slash gasoline and diesel sulfur content for on-road vehicles and predicting a likely...If China wants to maximize the benefit of its emission area control zones, it should go beyond its own territorial waters.
Published 2018.10.04: Blog Post

China VI: A milestone for the world’s transition to soot-free vehicles

On June 28, China officially released the China VI emission standard for new heavy-duty vehicles, which is equivalent to, or in some aspects even more stringent, than the Euro VI emission standard....On June 28, China officially released the China VI emission standard for new heavy-duty vehicles. If effectively implemented, it will transition all new heavy-duty vehicles in China to soot-free...
Published 2018.07.03: Blog Post

ICAO, why can’t you be a bit more like your sister?

Arguably, the biggest climate news so far in 2018 is the International Maritime Organization, or IMO, finally adopting a global climate framework for international shipping. In doing so, it joined...IMO and ICAO, the sister UN agencies governing international shipping and aviation, have both struck global deals on greenhouse gas emissions. But why, oh why ICAO, can’t you be more like your sister...
Published 2018.05.02: Blog Post

How to think about vehicle bans: An update after two major European judicial decisions

In August and again in December of last year, I was asked to speak about the implications of the surprising surge in public announcements of future bans on certain types of vehicles. At the time, I...There has been a surprising surge in announcements by cities and national governments of future bans on certain types of vehicles. These bans are a signal of growing political will, impatience with...
Published 2018.05.02: Blog Post

Like magic! How to make high vehicle CO2 emissions simply disappear

Ask people on the streets in Germany who they think is the most famous magician ever, and the name you would probably hear most is David Copperfield. Almost everyone knows him and is fascinated by...On June 26, the BMVI finally published the CO2 measurement results we had been waiting for. But in the interim the Ministry re-tested 29 of the original vehicle models. Only a subset of those results...
Published 2017.07.03: Blog Post

Subsidy fraud leads to reforms for China’s EV market

As the largest auto market in the world, China has been committed to promoting electric vehicles (EVs) since 2009; the country aims to have 5 million EVs on Chinese roads by 2020. To reach this...Policy adjustments, created largely in response to the high-profile subsidy fraud scandal, mark major reforms for China’s EV market. As an old Chinese saying goes, “A loss may turn out to be a gain...
Published 2017.05.30: Blog Post

Is Indonesia finally going in the right direction on palm oil?

For years we have wondered whether Indonesia would continue putting a priority on increasing use of palm-based biodiesel rather than on reducing greenhouse gas emissions and preserving forests and...If the government is really concerned about reducing GHG emissions by increasing use of biofuels, there is still time to make sure it includes sustainability clauses, for the environment and the...
Published 2016.08.26: 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

Defeat device testing in the EU: So far, not so good

Conclusively determining whether or not a vehicle has a defeat device to circumvent emissions tests is difficult. Really difficult. That is because a defeat device, as defined in EU regulation, is:...The post-VW vehicle testing by Germany, the UK, and France suggest that defeat devices are being employed in Europe that have yet to be detected. But further testing is needed if the goal is to...
Published 2016.04.28: Blog Post

First look: Results of post-VW diesel vehicle testing in France, UK

On April 7, the French government released initial results of the diesel emissions screening campaign it conducted in the wake of the revelations about VW's use of defeat devices. The UK and Germany...Further summary of initial results of diesel emissions screening tests being conducted in Europe in the wake of last year's revelations about VW's use of defeat devices.
Published 2016.04.28: 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

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

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

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

Vehicle emissions testing in the EU: Why we are still struggling with the dead hand of the past—and what the future is likely to bring

The Committee on Climate Change (CCC) was established in 2008 to advise the British government on emissions targets and report to Parliament on progress made in reducing greenhouse gas emissions and...Manufacturers effectively exploit loopholes in the vehicle CO2 emissions test procedure. The WLTP will help, but can't solve the problem entirely; we need in-use conformity and on-road testing in the...
Published 2015.09.09: Blog Post

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

Which vehicle emissions test cycle is most demanding?

After we published our new test cycle conversion factors, a question came up: which of the test cycles is the most demanding, in terms of its impacts on fuel efficiency or CO2 emissions, and how much...Even though it’s a simple enough question, it has no simple answer, since the new conversion factors vary with vehicle efficiency and are different for gasoline and diesel engines. However, in our...
Published 2015.02.06: Blog Post

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