Illustrates a contemporary automobile powered by natural gas fuel. The art presents a simplified, but accurate, view of the fuel line and combustion components of the engine. Also depicted are types of vehicles presently using natural gas engines. The black and white back of the poster develops educational information and student activities that can be adapted for appropriate 4-12 applications. The poster introduces students to the environmental advantages of using clean burning fuel. Grades 4-12, 23" x 35", Full Color front, B/W back.