The act authorizes the use of an emergency stationary engine if: The emergency stationary engine is providing electric power to or mechanical work for military facilities or facilities under the control of the United States department of defense; The emergency stationary engine is in compliance with federal regulations governing emergency stationary engines; The emergency stationary engine's air pollution control and monitoring equipment is installed, operated, and maintained in compliance with the manufacturer's standards; and The emergency stationary engine is undergoing routine maintenance or testing or providing primary electrical power or mechanical work during an emergency situation under federal regulations. A person that operates an emergency stationary engine as authorized by the act is required to: Minimize the use of emergency stationary engines as much as practicable, consistent with the health, safety, and welfare of the people of Colorado; Report each emergency event that causes the engine to be operated within the later of 48 hours after or noon on the business day following the emergency event; Record information about each emergency event; and Submit compliance reports detailing the operation of the engine, the reason for the operation, deviations, and corrective actions. The governor will submit the act for inclusion in Colorado's state implementation plan. The act will take effect only if the act's inclusion in the state implementation plan is approved by the administrator of the United States environmental protection agency. (Note: This summary applies to this bill as enacted.)