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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

Transition to a global zero-emission vehicle fleet: A collaborative agenda for governments

Governments around the world are seeking to promote electric vehicles—to reduce oil consumption, climate-related emissions, and local air pollution, and to stake out an industrial leadership...
Published 2015.09.29: Publication

From laboratory to road: A 2015 update

This 2015 update to a series begun in 2013 analyzes eleven data sources covering fourteen years, six countries, and almost 600,000 vehicles. The analysis shows that in the EU the gap between...
Published 2015.09.24: Publication

Direct progression from Bharat IV to Bharat VI national vehicle emission standards in India

The Indian Ministry of Petroleum and Natural Gas has been considering the possibility of leapfrogging from Bharat Stage (BS) IV emission standards in April 2017 to BS VI emission standards in April...
Published 2015.09.15: Publication

NOx control technologies for Euro 6 diesel passenger cars

Controlling nitrogen oxide (NOx) emissions from Euro 6 diesel passenger cars is one of the biggest technical challenges facing automakers. Euro 6 limits NOx emissions from diesel passenger cars to...
Published 2015.09.03: Publication

Fuel efficiency trends for new commercial jet aircraft: 1960 to 2014

This report updates a 2009 study that analyzed the sales- and activity-weighted fuel efficiency improvement of commercial jet aircraft from 1960 to 2008. It improves on that work in several...
Published 2015.09.03: Publication

Review of Current Practices and New Developments in Heavy-Duty Vehicle Inspection and Maintenance Programs

The purpose of an inspection and maintenance (I/M) program is to identify high-emitting vehicles and mitigate their impact on air quality and climate. I/M programs require vehicle owners to...
Published 2015.09.01: Publication

Market analysis of heavy-duty vehicles in India

The Government of India has begun the formal process of considering regulation of the fuel efficiency of new trucks and buses. In any regulatory development process, a thorough understanding of the...
Published 2015.08.10: Publication

Assessment of Heavy-Duty Natural Gas Vehicle Emissions: Implications and Policy Recommendations

Recent assessments indicate that natural gas vehicles could constitute up to 20 percent of the new 2025 heavy-duty vehicle market, potentially displacing a significant number of diesel vehicles....
Published 2015.07.30: Publication

Assessment of leading electric vehicle promotion activities in United States cities (2015)

Cities, with their urban driving patterns, high concentration of vehicles, and dense infrastructure, are keys to the development of a robust electric vehicle market. They are also an increasingly...
Published 2015.07.29: Publication

Hybrid vehicles: Trends in technology development and cost reduction

Since their introduction, sales of hybrid vehicles and the number of hybrid models have both risen steadily in the U.S., with that growth trend accelerating sharply starting in 2003. The forty-five...
Published 2015.07.23: Publication

CO2 emissions from new passenger cars in the EU: Car manufacturers’ performance in 2014

This briefing provides a summary of CO2 emission levels of new passenger cars in the European Union, based on the provisional data recently released by the European Environment Agency. The EEA data...
Published 2015.07.09: Publication

Upstream emissions of fossil fuel feedstocks consumed in the European Union

In 2009, the European Union amended the Fuel Quality Directive (FQD) to introduce a target for European transport fuel suppliers to reduce the lifecycle carbon intensity (‘CI’) of their fuel by at...
Published 2015.07.07: Publication

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;...
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

Review and comparative analysis of in-use vehicle emission control programs in Guangdong Province

Controlling emissions from the in-use fleet, particularly from high emitters and older vehicles, can immediately alleviate urban air pollution. As pressure to address China's air quality issues...
Published 2015.06.29: Publication

U.S. efficiency and greenhouse gas emission regulations for MY 2018–2027 heavy-duty vehicles, engines, and trailers

On June 19, 2015, the U.S. Environmental Protection Agency and the National Highway Traffic Safety Administration jointly proposed new standards to reduce the fuel consumption and greenhouse gas...
Published 2015.06.25: Publication

Cost-effectiveness of engine technologies for a potential heavy-duty vehicle fuel efficiency regulation in India

As policymakers and stakeholders in India begin the regulatory development process for fuel efficiency standards for new heavy-duty vehicles (HDVs), one of the key areas of debate has been whether...
Published 2015.06.25: 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

Heavy-duty vehicle fuel-efficiency simulation: A comparison of US and EU tools

Vehicle simulation tools can enable a reliable estimation of the fuel efficiency of heavy-duty vehicles while eliminating undesirable sources of variation, such as driver behavior or the influence...
Published 2015.05.11: Publication

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