This course is an introduction to fuel and emission systems. Course will cover operating theory, maintenance, testing, and troubleshooting techniques. Break the fuel system down to its individual components and discuss the functions of each. Define the causes of emissions and its harmful effects. Explain the role of emission controlling devices used in current HD trucks and equipment. The lab will allow the hands-on approach in which we will work as teams and/or individuals to apply the theory, operating principle, and identify the components of the fuel and emission system