Coal

Shielded with protective visors, operators at Westar Energy’s three 800 MW generating units at St. Marys, Kan., attempted to inspect the plant’s boiler tubes for signs of slag by looking through the boilers’ hot flames.
Coal

Developers of a non-refrigeration technology that can enhance the performance of small combustion turbines - effectively creating greater output a cost below adding additional capacity - contend it will work with much larger turbines, too.