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NOx emissions from merchant vessels in coastal China: 2015 and 2030

This paper estimates NOx emissions from merchant vessels in China’s coastal region from 2015 to 2030. Our results indicate that merchant vessels have become a non-negligible source of NOx emissions,...
Published 2018.12.28: Publication

Zero emission buses are worth reaching for, but emission performance standards are the low-hanging fruit

Sales of battery electric buses (BEBs) are surging in major cities around the world. Los Angeles, California committed to shift its 2,200 bus fleet to zero-emission buses (including BEBs) by 2030,...Sales of battery electric buses are surging, yet a complete technology transition won't happen overnight. Meanwhile, tightening emission standards on conventionally powered buses would have immediate...
Published 2017.11.16: Blog Post

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

Low oil prices, high time to move off of diesel subsidies

As markets around the world adjust to the decline in global oil prices, there is at least one positive outcome for clean transportation: dropping prices have helped the governments of India and...Indonesia has an opportunity to smoothly transition to more ambitious reforms of its fuel subsidy system. From a public health standpoint, the best course would be to eliminate subsidies entirely...
Published 2014.12.23: Blog Post

India's vehicle emissions control program

Rising transportation activity—the ever-increasing demand to move more people and goods further and faster—is both a cause and an effect of India’s rapid economic growth. As necessary as the increase...
Published 2013.11.05: Publication

The impact of vehicle and fuel standards on premature mortality and emissions

Technology-forcing regulations in the United States, European Union, and Japan have resulted in highly effective controls of tailpipe emissions. Advanced aftertreatment technology and engine tuning,...
Published 2013.11.04: Publication

Impact of standards on premature mortality and emissions: India in global context

Approximately ten percent of all years of life lost from exposure to vehicle emissions around the world occur in India. Without new limits on vehicle emissions and fuel sulfur content, the number of...
Published 2013.09.26: Publication

Transportation efficiency in 2030

Transportation of people and goods currently contributes about a quarter of the world’s greenhouse gas emissions, and this share is growing. Unprecedented income and population growth in the...Modeling different transportation scenarios shows interesting trends in GHG emissions from transport through 2030 given the  "policy pipeline” in the world's largest vehicle markets.
Published 2012.04.27: Blog Post