Renewable energies are exploding in emerging economies as the economics of wind and solar make it the obvious choice in most national and regional contexts. What’s more, the rapidly changing economics of renewables are not just saving money for developing countries, they could soon be making money in considerable sums in many emerging economies. A recent study from Oxford University finds that low- and middle-income countries stand to benefit the most from adopting renewable energies, with potential GDP gains of around 10 percent in the next…