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Tsinghua study concludes existing regulations for diesel trucks and buses insufficient to reach NOx reduction target by 2015

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According to report from a team at Tsinghua University, recently published by the the International Council on Clean Transportation (ICCT), real-world emission factors of CO, HC, and PM from diesel trucks and buses in China have been reduced significantly as emission standards have become more stringent from Euro 0 to Euro III.

2015 199
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Those who flew in 2020 had twice the environmental impact of those in 2019

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A detailed discussion of the issues related to the comparison of the energy intensities of flying and driving is presented in a recent report.) Michael Sivak is the managing director of Sivak Applied Research and the former director of Sustainable Worldwide Transportation at the University of Michigan. Certificated air carriers.

2019 313
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Traditional retail sales steady despite e-commerce

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In comparison, the corresponding percentage in 2000 was only 0.9%. The years examined were 2015 through 2019. The results indicate that, between 2015 and 2019, e-commerce retail sales per capita increased every year, with the increases averaging about 12%, while the annual changes in traditional sales hovered near zero.

Sale 286
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Iranian team proposes intelligent control strategy for hybrids using fuzzy driving cycle identification agent

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Researchers at the University of Tehran (Iran), with colleagues at Isfahan University of Technology and Iran University of Science and Technology, are proposing a new intelligent control strategy for the energy management of hybrid powertrains based on the driving cycle type. 9 1169-1188 doi: 10.1177/0954407014556116.

Iran 150
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Study measures the effect of regional change in clouds caused by ships’ emissions; masking GHG warming

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New research led by the University of Washington (UW) is the first to measure this phenomenon’s effect over years and at a regional scale. The new study uses observations from 2003 to 2015 in spring, the cloudiest season, over the shipping route between Europe and South Africa. Michael Diamond/University of Washington.

Emissions 223
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Beijing researchers engineer K. pneumoniae to produce 1-butanol

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Researchers at Beijing University of Chemical Technology have engineered Klebsiella pneumoniae —a pathogen—to produce 1-butanol. In comparison to the wild-type strain, the NADH/NAD+ ratio in the reengineered strains was increased by 78–135%, and the transcript levels of target genes have been obviously interfered.

Engine 150
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Researchers say world faces air pollution pandemic

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Professors Jos Lelieveld and Thomas Münzel, of the Max Planck Institute for Chemistry and the Department of Cardiology of the University Medical Center Mainz in Mainz, Germany, who led the research, say the findings suggest the world is facing an air pollution “pandemic”. million premature deaths a year in 2015. years (530,000 deaths).

Pollution 438