My research addresses energy and transportation with a focus on environmental challenges especially oil use, CO2 emissions and climate mitigation options. I also address energy and climate policy more broadly and direct the University of Michigan Energy Survey. My teaching and advising work has addressed transportation energy policy and sustainable energy systems as well as student research in other energy and environmental topics.
Prior to joining the University of Michigan faculty in 2009, I was senior fellow for automotive strategies at the Environmental Defense Fund (EDF; 2001-2009), transportation director at the American Council for an Energy Efficient Economy (ACEEE; 1990-2000) and a staff scientist at the National Audubon Society (1988-1990).
Biofuels turn out to be a climate mistake – here's why
Oct 05, 2016 12:45 pm UTC| Insights & Views
Ever since the 1973 oil embargo, U.S. energy policy has sought to replace petroleum-based transportation fuels with alternatives. One prominent option is using biofuels, such as ethanol in place of gasoline and biodiesel...
Will cheap gas at the pump stall progress on car emissions?
Mar 18, 2016 00:12 am UTC| Insights & Views Nature
Retail gasoline prices are now as low as they were in the roaring 90s. The 1990s, that is, when the energy crisis of the 1970s had faded from American consumers memories, the economy was strong and the market share of...
A sustainable future begins at ground level
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