From the authors Bio: "Daniel Yergin is the author of the bestseller The Quest: Energy, Security, and the Remaking of the Modern World which has been hailed as “a fascinating saga” about the “quest for sustainable resources of energy,” and “the book you must read to understand the future of our economy and our way of life,” ..."

So it's more a book to persuade (feelings) than inform (facts) - no wonder they aren't mentioned.

Know what you're reading.