Sens. Chris Coons, D-Delaware, and Martha McSally, R- Arizona, introduced legislation Aug. 1 that would help curb harmful greenhouse gas emissions and enhance the economic viability of the current U.S. nuclear fleet by helping nuclear power plants operate longer and more efficiently.The Nuclear Energy Renewal Act directs the Secretary of the Department of Energy to establish and enhance programs to help reduce the operation and maintenance costs of U.S. nuclear power plants, [...]