Coal plant operators in Texas and Wisconsin have caved in to pressures from green groups as they promised to retire older, less-efficient facilities; use emission-reduction technologies in their new plants; and invests in renewable alternative energy resources. We Energies, Madison Gas & Electric and Wisconsin Public Power concede today to settle their dispute with environmental groups Sierra Club and Clean Wisconsin after three years of legal battle. The utility companies also promised to commit to several additional environmental initiatives including a $4m annual payment for 25 years for the protection of Lake Michigan's ecosystem. In Texas, NRG Energy will now be able to expand with a new unit their Limestone coal-powered station without the opposition of the groups Environmental Defense Fund and Texas Clean Air Cities Coalition (TCACC). NRG said the new unit will use new technologies that can offset or sequester greenhouse gas emissions by 50%. ...