MONROE, Mich., May 30, 2012 /PRNewswire/ -- Demolition work resumed last week on one of the two original 800-foot exhaust stacks at DTE Energy's Monroe Power Plant.

MONTREAL, July 11, 2011 /PRNewswire/ -- Shell (NYSE: RDSA) announced today that its Cansolv Technologies Inc. subsidiary (Cansolv) has signed an agreement with Beijing Guodian Longyuan Environmental Engineering Co., Ltd.

CHESTER, Va., June 30, 2011 /PRNewswire/ -- Dominion Virginia Power, a subsidiary of Dominion (NYSE: D), dedicated a new pollution control system Thursday at its Chesterfield Power Station south of Richmond that will further clean Virginia's air. The system - formally known as "flue gas desulfurization," but informally as a "scrubber" -removes more than 95 percent of sulfur dioxide and an 80 percent reduction in hydrochloric and sulfuric acids.

NAPERVILLE, Ill., June 2, 2011 /PRNewswire/ -- Nalco (NYSE: NLC) and its subsidiary Nalco Mobotec Inc., a global leader in air protection technology, today announced a contract with the City of Springfield, Ill., for mercury emission control at the city's Dallman Power Station.

Power plants that burn fossil fuels remain the main source of electricity generation across the globe.