The year petroleum usage peaks is unknowable at present, but it obvious its coming. But the year will only be significant in hindsight. There have been many p

The year petroleum usage peaks is unknowable at present, but it obvious its coming. But the year will only be significant in hindsight. There have been many plateau years before. In 2007 Worldwide usage was 86.3 MBPD, in '08 it was 85.8, in '09 it was 84.3, then in 2010 it was back up to 86.4. All due to the economic slump, of course, but now every pundit will saying with every tiny slowdown "the end is nigh".