ALBANY, N.Y. (AP) – Seven states filed a federal lawsuit Wednesday against the Environmental Protection Agency over health-damaging air pollution from outdoor wood-fired boilers that have become ...
May 4, 2023 — Valmet announced it will convert Helen Ltd’s coal-fired district heat boiler to bubbling fluidized bed (BFB) combustion to enable wood pellet firing at the Salmisaari ‘A’ power plant in ...