Pundits and politicians often frame energy technologies like solar generation and liquid fuels as competitors, not companions. But a visit to Flint Hills Resources’ Pine Bend refinery might change their minds.
Rosemount, Minn. – The flame at the top of a 400-foot stack here at the Flint Hills Resources' Pine Bend refinery used to burn so brightly and so consistently that some say it was used to train pilots to land planes at the Minneapolis-St. Paul Airport.