TY - SER AU - Runge, Evelyn TI - Do-it-Yourself Power KW - RESEARCH KW - WIND TURBINES N1 - How can electricity be supplied to some of the world's poorest regions? Siemens engineer Piet-Willem Chevalier manufactures wind turbines in Mali and trains local people to build and service the technology. The result is a classic example of sustainability ER -