...most new [coal-burning power] plants - about nine out of 10 on the drawing board - will not use integrated gasification combined-cycle technology. The reason is fairly simple. A plant with the low-pollution, high-efficiency technology demonstrated at the Tampa Electric plant [part of TECO Energy] is about 20 percent more expensive to build than a conventional plant that burns pulverized coal. [also refers to General Electric, Bechtel, Cinergy, FutureGen]