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Sustainable Transportation

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Has motorization in the U.S. Peaked?
Michael Sivak.

report UMTRI-2013-17

This study examined recent trends in the numbers of light-duty vehicles (cars, pickup trucks, SUVs, and vans) in the U.S. fleet. The...

Female drivers in the United States, 1963-2013 :  from a minority to a majority?
Michael Sivak

report UMTRI-2015-16 

This study examined the changes in the relative proportions of male and female drivers in the United States from 1963 through 2013. The...

Has motorization in the U.S. peaked?  |n Part 7,  |p Update through 2013
Michael Sivak

report UMTRI-2015-10 

In Part 5 in this series of reports , I examined the changes from 1984 to 201 2 in the number of registered light - duty vehicles, and...

Motion sickness in self-driving vehicles
Michael Sivak, Brandon Schoettle

report UMTRI-2015-12 

Motion sickness is expected to be more of an issue in self - driving vehicles than in conventional vehicles. The reason is that the...

Potential impact of self-driving vehicles on household vehicle demand and usage
Brandon Schoettle, Michael Sivak

report UMTRI-2015-3 

In this report we present an analysis of the potential for reduced vehicle ownership within households based on sharing of completely...