Four Hungarian companies are showing at Mobilitec, a business platform for hybrid and electric mobility technologies that is part of technology trade fair Hannover Messe, with the assistance of the Hungarian Investment and Trade Agency (HITA). ALTmob, Electraplan, General Mechatronics and Stringdrive Technologies are showing at the trade fair in Hannover on April 8-12, HITA said. ALTmob is promoting its internet web portal, www.ALTmob.hu, that covers developments in green transport technology in four languages. Electraplan is showing a battery recharger and a wind turbine that mimics the movements of a dragonfly. General Mechatronics is showing a holonomic-drive mobile robot and a universal controller. Stringdrive Technologies is bringing its string drivetrain to the fair.