MERSEYSIDE company Clarke Energy, which installs green energy systems worldwide, has sold a minority stake to private equity firm ECI.In a deal led by KPMG Corporate Finance in Manchester, ECI will boost Clarke Energy's global plans for growth in China, India and Australia.Based in Knowsley near Liverpool, Clarke Energy employs 700 people worldwide, with a record turnover of around £201m in the year to the end of October 2011 (&......for the full story register now for free or login below...