Associated Press: General Electric Co.’s energy investment business, buoyed by rising demand for alternative power, said yesterday it will increase its investment in renewable energy by 50 per cent, to $6-billion (U.S.) by 2010. Alex Urquhart, president and chief executive officer of GE Energy Financial Services, cited record-high oil prices, an increased focus on environmental protection and improved technology for boosting interest in wind, solar, biomass, hydro and geothermal power. In …