From the days of the 1970s OPEC oil embargo to the recent spikes in gas prices, and the constantly evolving and volatile situation in the Middle East, it seems everyone has “oil on the brain.” Yet, despite the fact that our daily lives are inextricable from oil -- the U.S. alone burns through 10,000 gallons of gasoline a second, or three gallons per person per day -- many of us have only limited knowledge of the substance often referred to… more