Protecting the environment while producing, transporting, refining and marketing fuel is a challenge the petroleum industry must meet every day. For all of the benefits oil has brought to modern society, risk is inherent in taking it from the Earth -- in drilling wells, storing fuel for future use and transporting it from place to place. API member companies try their hardest every day to minimize these risks. Oil is a natural substance -- the beneficial uses of oil were discovered when natural seeps were found to have amazing uses. Called " ....