UK

Dual-fuel conversion system developer, Clean Air Power has been granted a US Patent titled; "Method and Apparatus for Controlling Transition between Operating Modes in a Multimode Engine", which the company says “covers the future development of Dual-Fuel? technology,” and that “It is imperative that multi-mode engine transitions between various modes are smooth and controlled to allow for seamless engine power output, which is achieved by Clean Power’s technology.” Patent number 7,270,089 can be viewed online at freepatentsonline. A corresponding European patent application, published under EP1631739 is in progress.