Mexico’s president is upending a system to encourage renewable-power development, dealing another blow to efforts to attract private investment to the nation’s energy sector. The government of Andres Manuel Lopez Obrador is changing rules for clean-energy credits, allowing aging hydroelectric dams operated by Mexico’s state-owned utility to qualify. The move, critics say, dilutes the value of credits initially intended for new wind and solar farms. It’s the latest step by the leftist Lopez Obrador administration creating uncertainty for investors pushing to do business in Mexico. In February, the government canceled ... (full story)