This (the various types of crude) is not the real reason, based on what I read before. The US is a major (biggest?) exporter of refined oil products. I think ev

This (the various types of crude) is not the real reason, based on what I read before. The US is a major (biggest?) exporter of refined oil products. I think even western Europe gets a significant portion of refined product from the US. There is simply a lot of capacity, built in the 2010s. So the imports of crude are used for refining.