British fuel cell developer Intelligent Energy has named Andrew Spooner as its new head of group operations and John Clark as group engineering director. Spooner previously worked for the power systems company Rolls-Royce plc where he managed a procurement team for the nuclear steam-raising plant. Clark also comes from Rolls-Royce where he was program director and chief engineer for the Royal Navys in-service gas turbines.......Des Plaines, IL-based Hy-Radix Inc., a provider of on-site hydrogen generation systems, reports that its chief executive Robert L. Gray Jr. has been named CEO of its parent company, Eden Innovations Ltd, an Irish hydrogen development company. Eden Innovations is 100% owned by its Australian parent, Eden Energy, Ltd. Grays job at HyRadix has been assumed by David M. Cepla, until now the companys vice president of business development..........Fuel cell developer Neah Power Systems, Inc., Bothell, WA has promoted David Wine to vice president of development. Until now, Wine was director of cell and stack development after joining the company in 2003..........Monrovia, CA-based AeroVironment, Inc., a developer of unmanned aircraft systems and efficient electrical energy systems, has appointed U.S. Navy Rear Admiral Daniel J. Stone as vice president of its Unmanned Aircraft Systems logistics operation. This group supports globally deployed small aircraft such as the Raven, Dragon Eye, Wasp and Puma (H&FCL July 07). Stone previously was Director of Logistics for the U.S. Northern Command and North American Aerospace Defense Command (NORAD) as well as director of Logistics, Fleet Supply and Ordnance for the U.S. Pacific Fleet at Pearl Harbor.........Hydrogen Hybrid Technologies (HHT), Inc., Bowmanville, Ontario, a maker of add-on hydrogen injection systems for gasoline and diesel engines, has named Steve Gilchrist as its new vice president of industry and government relations. Gilchrist previously was vice president for government affairs for Canadian Hydrogen Energy Company, Ltd., also in Bowmanville (H&FCL Dec. 05), which appears to be the predecessor or parent of HHT. He is a member of the U.S. National Hydrogen Associations board of directors.