One of Guangdong's much-maligned power plants will reduce sulfur dioxide emissions by as much as 90 percent by the end of the year, the power station chief said Tuesday...Lin Shizhuang - who heads the Guangdong Yudean Group...said the company had spent 600 million yuan (HK$585 million) on installing sulfur-reduction devices which will be fully operational by the end of the year..."Our company will also spend an additional 5 billion yuan to install similar devices at all of our company's plants in the Pearl River Delta region before 2008," Lin said. [also refers to Hong Kong Electric and China Light and Power (CLP Holdings)]