These two are linked, sale of American cars would skyrocket in Europe if they didn't cost 3 times as much as they do in US. Europe is producing countless regulations specifically designed to benefit France and Germany and suck the joy out of European population. 0 for 0 will be an enormous success that will revitalise American industry.
As for a trade war with China, that's way more important. I'm willing to drive the same car and use the same electronics I have now for the next 5 years if it means that America will stop the race to the bottom in the area of quality of life.