If only that was true, but it's been regressing for 15 years: https://www.wolframalpha.com/input?i=plot+United+States+rail+freight+versus+gdp https://www.wolfr

If only that was true, but it's been regressing for 15 years: https://www.wolframalpha.com/input?i=plot+United+States+rail+freight+versus+gdp https://www.wolframalpha.com/input?i=plot+United+States+rail...