Walls, Nelson, Safirova
Telecommuting and Environmental Policy
———. 1997. Guidance on Incorporating Voluntary Mobile Source Emission Reduction Programs in State
Implementation Plans (SIPs). Washington, DC, 3.
———. 2001a. The United States Experience with Economic Incentives for Protecting the Environment. EPA-
240-R-01-001. Washington, DC.
———. 2001b. Improving Air Quality with Economic Incentive Programs. EPA-452/R-01-001. Washington, DC.
———. 2003. The Clear Skies Act: Technical Support Package, Section C: Projected Costs. Washington, DC.
July.
Walls, Margaret and Peter Nelson. 2004. “Telecommuting and Emissions Reductions: Evaluating Results from
the E-Commute Program,” Discussion Paper 04-42. Washington, DC: Resources for the Future
Zaborowski, P., and J. Reamer. 2004. “Reality Check for the U.S. GHG Market.” Evolution Markets Executive
Brief. April 26.
28