Inter Press Service: Why do U.S. oil companies — some of the most profitable corporations on the planet — receive 20 to 40 billion dollars a year in subsidies from the U.S. government? And, in a time of skyrocketing oil prices and profits, why did the George W. Bush administration in 2005 authorise an additional 32.9 billion dollars in new subsidies over a five-year period? “Those are very good questions,” said Doug Koplow of Earth Track, Inc., an independent energy information research …