Geothermal Declared Most Efficient Alternative
• arcleinGeothermal energy is the most efficient renewable energy alternative and is improving the fastest. Wind energy is second. + Fossil fuel technologies are no longer improving (in terms of efficiency) much - if at all. These technologies have likely reached their performance limits, though the government still spends far more on them. + Geothermal energy could become cheaper than fossil fuels with R and D spending of as little as $3.3 billion.
