"Bad Mileage: 98 tons of plants per gallon"

[David R. Hershey]

I come across this article when answering a student question about what
plants are used to make cars. It estimates that 98 tons (90 metric tons)
of ancient plant matter is required to produce one gallon of gasoline.

http://www.innovations-report.de/html/berichte/energie_elektrotechnik/bericht-22773.html

Here's the original article:

Dukes, J.S. 2003. Burning buried sunshine: human consumption of ancient
solar energy. Climatic Change, 61(1-2): 31-44.
http://globalecology.stanford.edu/DGE/Dukes/downloadok.html




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