According to the Oil and Gas Journal and the U.S. Department of Energy, worldwide oil reserves as of August 27, 2008 are 1,331,698,000,000 barrels. Using the U.S. Department of Energy information we can expect real worldwide oil depletion by the year 2042, since total world wide petroleum consumption in 2006 was 84,979,000 barrels per day and world consumption of liquid fuels is expected to increase 1.2% per year.