Bloomberg: General Electric Co. and Vestas Wind Systems A/S, the world’s two largest suppliers of wind turbines, sold a record 4,648 megawatts in the U.S. last year, taking 56 percent of the total market, an industry group said. Installations rose 58 percent to 8,300 megawatts. Wind turbines accounted for 42 percent of all new generating capacity in the U.S., almost matching the additions of natural gas fueled plants, the Washington-based American Wind Energy Association said today in a …