authorize funding for the collection of data adequate to meet the needs of federal, state, and local governments as they analyze options and plan for mitigation strategies.

Climate change and energy dependence will continue to be significant problems for decades to come. Transportation’s contributions to these problems must be addressed, but choosing the wrong policies could impose significant costs without ensuring the intended effects. The research programs identified in this report represent the topics that will be of greatest importance for informing the best choices in coming years.

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