Business Green: Australians may one day use their mobile phones to remotely control their home electrical appliances, pending the results of a A$10m (US$9.2m, £5.5m) smart grid trial taking place in Sydney’s former Olympic village. About 1,000 homes in the newly dubbed “Smart Village” are being fitted with technology that will enable residents to control air conditioning units, heaters and other appliances using iPhones and other internet-connected mobile devices. “On a hot day, a lot of …