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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 Gothenburg study involved questionnaire surveys of randomly selected residents in two phases, before and after the switch to electric buses. Applied Sciences.

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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

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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.

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Brake-dust particles' electric charge might help curb emissions

Green Car Reports

Up to 80% of brake-dust particles have an electric charge, which could serve as a means of controlling brake dust and improving air quality, according to a new study from the University of California, Irvine (via Green Car Congress).

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CU Denver study finds ride-hailing increases vehicle miles traveled

Green Car Congress

increase in the miles cars travel for ride-hailing passengers in Denver’s metro area, according to a study published this week in the journal Transportation by researchers at the University of Colorado Denver. For this study, the conservative (lower end) percentage of deadheading miles from ride-hailing is 40.8%.

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U Toronto, Ford LCA study finds lightweighting an important near-term GHG reduction solution

Green Car Congress

A study by a team from the University of Toronto and Ford R&D in Dearborn has found that lightweighting is an effective solution that could provide important near-term GHG emission reductions especially during the next 10–20 years when the fleet is dominated by conventional powertrain vehicles. light-duty fleet from 2016 to 2050.

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Study finds ride-sharing companies biggest contributors to growing traffic congestion in San Francisco

Green Car Congress

Researchers from the University of Kentucky and the San Francisco County Transportation Authority have determined that, contrary to the concept and vision, transportation network companies such as Uber and Lyft are the biggest contributor to growing traffic congestion in San Francisco. A) 2009 conditions; (B) 2017 conditions. Erhardt et al.