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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.

Heavy-duty vehicles built and certified in conformity to Euro IV and V emissions standards frequently do not achieve the real-world NOx emissions expected under those standards. Now data is becoming...

On-board diagnostic (OBD) systems monitor the performance of engine and aftertreatment components, including those responsible for controlling emissions. The OBD system is designed to help ensure...

At the UN Secretary-General’s Climate Summit in New York City September 23, countries, cities, non-state organizations and private-sector entities will commit to scale up actions to mitigate short-...

In this study published earlier this year we ranked electric-vehicle market shares in 12 regions in 2012 and 2013 and summarized tax credits and other incentives available to EV buyers. But policies...The first six months of 2014 saw an interesting divergence in the top two EV markets, a big sales jump in Sweden, and steady-state to modest market growth elsewhere. So, what's going on? Let's take a...

On May 7, China’s Ministry of Industry and Information Technology (MIIT) released its proposed Enforcement Rule for New Passenger Car Corporate-Average Fuel Consumption Standard for public comment....China’s Ministry of Industry and Information Technology (MIIT) has released its proposed Enforcement Rule for New Passenger Car Corporate-Average Fuel Consumption Standard for public comment. One...

本报告是国际清洁交通委员会（ICCT）对广东省实施更加严格的新车排放与燃油质量标准进行的成本效益分析。该报告对未来污染排放、健康与气候影响、以及相关成本进行预测分析。 分析结果表明，在广东提前实施国5/V（轻型车/重型车）排放标准和超低硫燃油标准可以迅速减少来自机动车的污染排放。污染排放的下降将减轻空气污染，提高公共健康，同时降低了影响气候变化污染物的排放。运用标准成本效益法，...

High-level government officials from China’s key ministries responsible for setting fuel economy standards for the country, over 70 experts from semi-governmental research agencies, the academy, NGOs...

In February 2014, China’s Phase 2 heavy-duty vehicle fuel consumption standards were finalized. The final rule remains unchanged from the late 2012 proposal by China’s Ministry of Industry and...