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June 20, 2016

Engineering Discovery Days 2016

Last quarter, Sustainable Transportation Lab grad students participated in the 101st annual Engineering Discovery Days (EDD) at the University of Washington. EDD is a large-scale, two-day STEM outreach event that allows graduate students and professors in the College of Engineering to present their research in creative and interactive ways to K-12th grade students, teachers, and…

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June 10, 2016

Seattle from the air (and emissions from aviation)

Last weekend, my family and I went on a scenic flight around Seattle, which Kenmore Air was offering free for kids in honor of their 70th anniversary. Our aircraft was a de Havilland Canada DHC-3 Turbine Otter: The Otter is known for being a capable and versatile float plane, though perhaps a bit of a…

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June 8, 2016

Reimagining suburbia for multimodal transportation

Evidence for the ballyhooed urbanization trend in the US generally relies upon data at the metropolitan level, and tends to obscure the fact that most of this growth is occurring in suburban-type areas rather than in dense urban cores.

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June 2, 2016

Uber, trust, and price discrimination

On May 17th, NPR interviewed Keith Chen, head of economic research at Uber. Among other things, he discussed some interesting behaviors of users and drivers toward surge pricing. This information has emerged from the large volumes of data that Uber collects. These include: Diminishing impact. When Uber first introduced surge pricing, going from 1x (regular…

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