"High-Speed Rail Is Not "Interstate 2.0"," by Randal O'Toole, Briefing Paper no. 113, September 9, 2009
"High-Speed Rail: The Wrong Road for America," by Randal O'Toole, Policy Analysis no. 625, October 31, 2008
"Rails Won't Save America," by Randal O'Toole, Briefing Paper no. 107, October 7, 2008
"The Smog-Reduction Road: Remote Sensing vs. The Clean Air Act," by Daniel B. Klein and Pia Maria Koskenoja, Policy Analysis no. 249, February 7, 1996
"Time to Reopen the Clean Air Act: Clearing Away the Regulatory Smog," by Kay H. Jones and Jonathan H. Adler, Policy Analysis no. 233, July 11, 1995
"The Truth About Ozone and Urban Smog," by Kay H. Jones, Policy Analysis no. 168, February 19, 1992