Clean Air Power Limited designs, develops and delivers Dual-Fuel and second-generation MicroPilot engine systems. The Company designs, develops and delivers compression-ignited natural gas engines for heavy duty transport applications and manufactures hydraulic valves, injectors and filters for natural gas engines sold to truck manufacturers around the world. Its business segments are the Dual-Fuel segment, which sells, installs and services compression-ignited natural gas engine systems, and the Components segment, which designs and delivers hydraulic valves and components for natural gas engines. The Company operates through three business units out of facilities in Leyland, United Kingdom and Poway, California: engineering services, natural gas systems and specialist components. It assembles, distributes and installs two types of Dual-Fuel engine system: Non-interfaced Dual-Fuel Systems and Interfaced Dual-Fuel Systems.