This guidebook is designed to help identify and evaluate risks and uncertainties with respect to fuel prices. The guide also describes tools and techniques for minimizing the impact of fuel price uncertainties over time. The guidebook introduces the concept of fuel price risk management, identifies alternative purchasing strategies, and outlines steps necessary to implement a risk management program. It defines and evaluates alternative cost-effective fuel purchasing strategies designed to benefit public transportation agencies of varying sizes, and it provides a management framework to assist transit agencies through the fuel purchasing process.