"My own view is that if you look at the world's energy situation, there are three demand areas basically, the United States, Europe and China.  And the projections were very different ten years ago for the future economies of two of those areas," said Bill Reilly, Senior Advisor for TPG Capital.  " Economies have slowed in both China and in Europe and in the United States something has happened which I think is really very, very significant.  It's never happened in my career before it started happening about five years ago.  We leveled off in terms of vehicle miles traveled."