Transportation--Water-supply.; Transportation--Power supply.; Ethanol as fuel.
Text document in PDF format.; Title from PDF title page (viewed on November 8, 2010).; "Version 1.1."; "June 2010."; Includes bibliographical references (p. 23-27).
Urban density--Economic aspects--United States.; Local transit--Ridership--United States.; Railroads, Local and light--United States--Design and construction--Costs.
Text document in PDF format.; Title from PDF title page (viewed on February 7, 2011).; "August 2010."; Includes bibliographical references (p. 23-27).