AFP: South Korea said Tuesday it would build a massive offshore wind farm off the west coast by 2019 to develop new sources of renewable energy and help wind turbine exporters. Under the 9.2 trillion won (8.2 billion dollars) project, companies such as Hyundai Heavy Industries and Daewoo Shipbuilding and Marine Engineering plan to build 500 turbines, the Knowledge Economy Ministry said in a statement. The wind farm, to be built near the southwestern counties of Buan and Yeonggwang, will generate…