The emphasis on oil may reflect a European perspective. Only 19% of US oil is imported now, and the US generates very little electricity from oil. The US is a natural gas exporter. If the US wants energy independence, it's within reach.
At the other extreme, Japan imports essentially all its oil, as does the UK. Both import most of their natural gas.
At the other extreme, Japan imports essentially all its oil, as does the UK. Both import most of their natural gas.