This instructional unit is one of 10 developed by students on various energy-related areas that deals specifically with transportation and energy use. Its objective is for the student to be able to discuss the implication of energy usage as it applies to the area of transportation. Some topics covered are efficiencies of various transportation modes, basic strategies to reduce energy consumption when using transportation, and methods to improve transportation efficiency by practicing changed methods of operation and maintenance of a vehicle. Material in each unit may include some or all of the following: terminal and specific objectives, list of references, information sheets with terms and definitions, informative materials, transparency masters, assignment sheet(s), and unit test with answers. (YLB)