Final Environmental Protection Agency regulations to cut emissions from U.S. power plants are expected to maintain ambitious emission-reduction targets included in a draft proposal released last year but give companies more time to meet them, according to people familiar with the rule. In another change likely to be welcomed by the electricity industry, the plan is expected to encourage nuclear power generation. The EPA rule, the cornerstone of President Barack Obama ’s climate agenda, will put the first-ever federal limits on carbon emissions from power plants, including those now in operation and those not yet built, forcing operators to move toward cleaner-burning fuels. It is expected to be released as soon as Monday. Republicans and some Democrats on Capitol Hill, along with the coal industry and governors whose states rely on coal for much of their electricity, strongly oppose the rules and are likely to challenge them on Capitol […]