Business Green: Wave energy specialist Aquamarine Power today announced it has secured another £6m in funding, which will go towards the £50m required to complete its second-generation Oyster 2 generator. Aquamarine confirmed earlier today that it had raised the funding, but is staying tight-lipped on where the money originated. A spokesperson for the company would only name-check existing investors, including Scottish and Southern Energy, Scottish Enterprise, a number of Norwegian investors …