Experts say Americans will have to become more active participants in the electricity business under the new Obama administration carbon rules. CLICK ON THE HEADLINE FOR MORE

From big-box retailers to high-tech manufacturers, more companies across the country are producing their own power. Since 2006, the number of electricity-generation units at commercial and industrial sites has more than quadrupled to roughly 40,000 from about 10,000. CLICK ON THE HEADLINE FOR MORE.