WESTMINSTER, Colorado, June 29 -- The Sierra Club issued the following news release: * * * New Plan Would Support Communities in Energy Transition and Slash Emissions * * * Tri-State Generation and Transmission Association is proposing trailblazing provisions for direct financial assistance to communities impacted by coal plant closures, and plans for resource procurement estimated to reduce its emissions by 89%. The proposal, filed with the Colorado Public Utilities Commission (CPUC) yeste  more