Section 402. Diesel-powered equipment package.
(a) Approval.--All diesel-powered equipment shall be approved by the department as a complete diesel-powered equipment package which shall be subject to all of the requirements, standards and procedures set forth under this chapter.
(b) Diesel engine approval.--Diesel engines shall be certified or approved, as applicable, by MSHA and maintained in accordance with MSHA certification or approval and approval by the department.