CONTENTS
I Summary
II Chapter 1 Background
11 1.1 Introduction
11 1.2 Purpose
12 1.3 Literature Review
18 Chapter 2 Initial Research and Research Approach
18 2.1 DOT Needs and Perceptions
31 2.2 Contractor Needs and Perceptions
41 2.3 Initial Engineering Estimation of Fuel Intensity
44 2.4 Initial Statistical Analysis of Fuel Intensity
47 2.5 The Three-Pronged Research Methodology
53 Chapters Findings and Applications
53 3.1 Contractor Fuel Usage Surveys
61 3.2 Engineering Analysis of Fuel Usage
79 3.3 Statistical Analysis of Fuel Usage
89 Chapter 4 Conclusions, Recommendations, and Future Research
89 4.1 Comparison of Fuel Usage Estimates
103 4.2 Other Potential Applications of Fuel Use Data
110 References
112 Appendix A Recommended Practice and Model Specification