Understand the importance of engineering economics principles and how to make smart economic choices Used by engineering students worldwide, this bestselling text provides a sound understanding of the principles, basic concepts, and methodology of engineering economy. Explanations and examples that are student-centered and practical in real-life situations help students develop pro ciency in the methods and processes for making rational decisions. Built upon the rich and time-tested teaching materials of earlier editions, the text is extensively revised and updated to reflect current trends and issues. The new edition captures the spirit of environmental sustainability with more than 160 “green” problems, as well as new end-of-chapter problems and group exercises, and includes updates to the new 2017 Federal Tax code revisions.