Today we get 83% of our energy from hydroCarbons. But over that 50 years, oil's grown a little over 1% compound annual growth rate. It's the most flexible, but the most expensive. Coal's grown 2% compound annual growth rate [over 50 years]. It's much cheaper, but not still easy to transport, but not as flexible. Natural gas has grown 3% compound annual growth rate and the future probably will grow much faster if we can build the infrastructure to move it. (20:31–20:36)
CLAIM
Asserts that coal has grown at a 2% CAGR over 50 years.
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