
xxi© 2008 Taylor & Francis Group, LLC
Preface
The eld of sustainable energy is changing fast, and new information about technologies
and analytic processes are constantly appearing in the literature. The rapid pace of change
has made it necessary to prepare a second edition to the original text, which was based on
information available until about six years ago.
The second edition responds to comments and suggestions made by users of the original
textbook and introduces several new ideas. I have made a serious effort to correct all of the
printing errors in the rst edition and also update, as much as possible, the data on energy
use worldwide. ...