Limiting transportation sector greenhouse gas emissions: the role of system interactions on policy portfolio effectiveness

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Title: Limiting transportation sector greenhouse gas emissions: the role of system interactions on policy portfolio effectiveness
Author: Stepp, Matthew
Abstract: Significant cuts in global greenhouse gas (GHGs) emissions have been called for by numerous experts and science organizations to avert the negative effects of climate change. Light duty vehicles (LDVs) will play an important role in any new reduction policy due to their daily use, citizen reliance, and significant consumption of fossil fuels. Unfortunately, a single policy aimed at LDVs and one that results in the necessary reductions in a politically acceptable manner may not be possible. Instead, a policy portfolio approach may be needed. Implementing multiple policy mechanisms via a policy portfolio may create system effects that either reduce or enhance the effectiveness of these policies. This thesis evaluates the interaction effects among three possible GHG reduction policies: a carbon tax, fuel economy standard, and vehicle subsidies. The thesis applies a systems dynamic model to explore these interaction effects both qualitatively and quantitatively. The results demonstrate how GHG reduction policies should or should not be used in combination in order to maximize their effectiveness.
Record URI: http://hdl.handle.net/1850/10633
Date: 2009-06

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