AFP: South Korea Wednesday unveiled a five-year plan to spend 36 billion dollars developing renewable energy as its next economic growth engine. The plan, approved at a meeting chaired by President Lee Myung-Bak, aims to transform South Korea into one of the world’s five top players in renewable energy. South Korea will spend about 40 trillion won — seven trillion won in state money and 33 trillion won from private businesses — on new renewable energy projects by 2015, the …