The U.S. has been dependent on foreign oil for its energy needs for decades. Some analysts now say the country could become energy independent over the next decade. Still, exactly what "energy independence" means is in dispute.
Full Story »
although some natural gas is much cleaner than coal, it’s not all created equal. Some gas has a dirty environmental footprint when mining techniques are factored in, and he says there’s a better and cleaner way to get an economic boost.