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CARB releases results of multi-year E15 study; multiple air quality benefits with slight reduction in fuel economy

Green Car Congress

The study was performed by a team from the University of California at Riverside (UCR) Bourns College of Engineering – Center for Environmental Research and Technology (CE-CERT). The Multimedia Evaluation (MME) of E15 looked at the effects of increased ethanol content on exhaust emissions in 20 vehicles—all model year 2016 or newer.

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Gasoline consumption per capita in 2020 was on par with that in 1965

Green Car Congress

Gasoline consumption per capita was calculated using the population estimates in the ProQuest Statistical Abstract of the United States. Michael Sivak is the managing director of Sivak Applied Research and the former director of Sustainable Worldwide Transportation at the University of Michigan. Consumption per capita.

2020 415
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New statistical method to detect ozone pollution hot spots and monitor instrument failure; combining PCA and MEWMA

Green Car Congress

A new statistical method developed by researchers at KAUST (King Abdullah University of Science and Technology, Saudi Arabia) can detect abnormal ozone levels within large bodies of monitored data. 2016) “Ozone measurements monitoring using data-based approach,” Process Safety and Environmental Protection 100, 0957–5820.

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Study finds half of the world’s population exposed to increasing air pollution

Green Car Congress

A team of researchers, led by Professor Gavin Shaddick at the University of Exeter, has shown that, despite global efforts to improve air quality, half of the world’s population is exposed to increasing air pollution. in 2016; (b) Changes in concentrations between 2010 and 2016. a)Map of global PM 2.5 Units for both are ?g/m

Pollution 259
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Study associates arrival of ridehailing with 3% increase in traffic deaths

Green Car Congress

The arrival of ridehailing is associated with an increase of approximately 3 percent in the number of motor vehicle fatalities and fatal accidents, according to research from the University of Chicago Booth School of Business and Rice University. From the study, Barrios et al.

Chicago 284
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Those who flew in 2020 had twice the environmental impact of those in 2019

Green Car Congress

All data are from the Bureau of Transportation Statistics , except that the entry for 2020 is an estimate from the Energy Information Administration. 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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Study finds reduction of low-frequency noise from transition to electric buses improved residents’ health

Green Car Congress

Accompanying the lower noise levels from bus traffic was a reduction of fatigue, day time sleepiness and low mood, a study at the University of Gothenburg shows. The changes that took place between phases one and two were clear and statistically significant. Even small increases in its level are perceived as very noticeable.

Electric 459