Natural gas pipelines--Costs.; Hydrogen--Transportation--Costs.; Pipelines--Costs.; Hydrogen as fuel--Costs.
Text document in PDF format.; Title from PDF title page (viewed on September 12, 2009).; "Received by ITS-Davis: December 2004"--Publication detail webpage.
Pavements--California--Maintenance and repair.; Roads--California--Maintenance and repair.
Text document in PDF format.; Title from PDF title page (viewed on September 10, 2009).; "June 2005."; Performed for California Dept. of Transportation, Division of Research and Innovation, Office of Roadway Research.; Includes bibliographical...