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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.

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Austin study teases out changes in behavior in wake of suspension of Uber and Lyft service

Green Car Congress

Researchers at the University of Michigan Transportation Research Institute, Texas A&M Transportation Institute and Columbia University surveyed more than 1,200 people in Austin, Texas, to examine how their habits changed after Uber and Lyft pulled drivers out of the city due to a local law change. —a 68% drop. 2977969.

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TRB releases new report identifying deficiencies impacting e-scooter rider safety

Green Car Congress

The research was conducted by the University of North Carolina at Chapel Hill in conjunction with the University of Tennessee, Knoxville; Safe Streets Research and Consulting; Equitable Cities; and Populus. Personal ownership of e-scooters is also growing and projected to increase throughout this decade.

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NACTO: 84M shared bike and scooter trips in US in 2018

Green Car Congress

Shared scooter trips were added to the NACTO study in 2018. Shared micromobility refers to small fleets of fully or partially human-powered vehicles including bikes, e-bikes, and e-scooters. The study data includes systems with more than 150 bikes or scooters and only includes data reported by the 100 largest cities by population.

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LCA study finds connected and automated vehicle subsystems could enable net reduction in vehicle energy use and GHGs by up to 9%

Green Car Congress

Researchers at the University of Michigan and Ford Motor Company have found that using a Level 4 connected and automated vehicle (CAV) subsystem could increase vehicle primary energy use and GHG emissions by 3–20% due to increases in power consumption, weight, drag, and data transmission. Credit: ACS, Gawron et al. Click to enlarge.

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Granville T. Woods: Smartest Guy in the Room

Cars That Think

Woods was endowed with intellectual gifts that allowed him, despite no formal engineering study, to become one of the most prolific U.S. Despite his brilliance and relentless industry, Woods is mostly referred to—that is, when he is remembered at all—as “Black Edison.” You can say, ‘Oh, that person did that.’

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Wireless Worries Overshadow Triumphs of RF Research

Cars That Think

Kenneth Foster: In the context of RF safety, exposure refers to the fields outside the body, while dose refers to energy absorbed within body tissues. Both are very important for a host of applications—medical treatments, occupational health, and safety studies for consumer electronics, for example.