This competency-based program guide provides course content information and procedures for secondary schools, postsecondary vocational schools, and community colleges in Florida that conduct programs in diesel engine mechanics and heavy duty truck and bus mechanics. The first section is on legal authority, which applies to all vocational education programs in Florida. The second section describes the content of the diesel engine and truck and bus mechanics program, including occupational descriptions, program standards descriptions, competencies, curriculum frameworks and student performance standards for each occupation. The third section, on Diesel Mechanics, covers instructional approach, course outline and sample lesson plan, and information on student organizations. In the fourth section, student admission requirements and teacher certification and qualifications are spelled out, while the fifth section provides information on facilities and supplies for the diesel engine and truck and bus mechanics curriculum. The final section lists instructor resources (both printed and audiovisual materials), and professional organizations and support services. Appendixes to the guide consist of a diagram of facilities needed for the program and an organization chart for the student organization, Vocational Industrial Clubs of America. (KC)