Yergin: Only politics can threaten energy supplies  | ajc.com

Among the major conclusions in the book: New drilling technologies and better efficiency will ensure there's enough energy to satisfy a world population that is growing and becoming wealthier. It just may cost more than we are used to paying.

Yergin, 64, is the chairman of IHS CERA, an energy consulting firm he co-founded in 1983.
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AP: Can you talk broadly about renewables and their impact on fossil fuels?

YERGIN: There's plenty of room for surprises, but the world energy system won't look much different twenty years from now.