The Department of Energy’s Energy Information Administration released an assessment September 19 of world energy markets over a quarter of a century. The report, International Energy Outlook 2011, concludes that world energy use will increase 53 percent by 2035 with China and India accounting for half of the growth. Energy use in countries that are not members of the Organization for Economic Cooperation and Development will grow by 85 percent, compared with an increase of 18 percent for OECD economies. Renewable energy is expected to grow most quickly over the next 25 years, with demand rising at 2.8 percent per year and market share increasing from 10 percent in 2008 to 15 percent in 2035.