(1) - International Energy Agency, World Energy Outlook (WEO), http://www.iea.org/Textbase/subjectqueries/keyresult.asp?KEYWORD_ID=4107

“A total of 2,943 Mtoe, (Million tons of oil equivalent) of oil was consumed in the year 2000. An estimated 1696 Mtoe (57.6%) was consumed in the transport sector”