Comments by "David Himmelsbach" (@davidhimmelsbach557) on "This Is Why the U.S. Can’t Use the Oil It Produces" video.

  1.  @elir.torres8642  Simply wrong. The USA shifted BIG into heavy (sour) oil refining after your dad left the industry. Shell bought an entire oil company in 1983 for its ultra heavy, sour crude -- and its technology -- because it used Californian crude.
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