Keep in mind that all of these discussions tend to jump between definitions of Energy. For instance he may have been quoting total energy usage, which includes

Keep in mind that all of these discussions tend to jump between definitions of Energy. For instance he may have been quoting total energy usage, which includes things like fuel for cars, while you may be thinking of electricity usage. Similarly there are several categories of consumption, which can also be used to skew numbers one way or the other.