The United States is now committed to the idea of phasing out coal power plants, joining 56 other nations in kicking the coal habit. Saturday's announcement by U.S.
On a practical level, that will probably not happen for a long time. My understanding is that most high performance lubrication is petroleum-based, even if only in part. We'd have to find alternative sources for those lubricants before we could completely drop oil.
We have natural oils and we are good enough in organic chemistry to turn that into what we need. The amounts needed are so small that it basically does not matter.