Business Green: Japanese electronics giants Toshiba and Sharp have today confirmed that they are discussing a possible tie-up of their solar energy operations which could underpin the two companies’ ambitious plans to expand into the booming global solar market. According to AFP reports, Sharp spokeswoman Miyuki Nakayama said that reports the company was engaged in talks with Toshiba as well as other firms about the future of its solar cell business were accurate. She said that the company was …