"Calculated energy consumption for six forms of transportation" a graph published in the Busbook, March 1, 1978.
Second page of footnotes for the graph.
Older posts in this blog are a restatement of my 1979 linear regression travel time analysis. This work shows techniques that would make some good high school science projects in transportation economics and science. Newer posts explore physical and political-economic changes appropriate for the people of San Mateo County to burn less gasoline, and emit less CO2.