The primary reason for emissions remaining on a downward trajectory this century is the increasing number of natural gas-fired power plants.

FORBES: New Emissions Data Dampen Global Warming Fears

In 2010, a small number of very large electric power generators accounted for roughly one third of all natural gas delivered to consumers.

FORBES: The Gluttons of Natural Gas

The third selling point: Hydrogen could, in principle, deliver energy independence to every nation because it can be derived using any number of sources-including oil, natural gas, nuclear fission, coal, hydroelectric power and wind.

FORBES: Companies, People, Ideas