Did you know? A bicycle is a marvel of engineering efficiency, one where an investment in 22 pounds of metal and rubber boosts the efficiency of an individual mobility by a factor of three. On my bike I estimate that I get easily 7 miles per potato. For more information view the text and data in Chapter 6 of Plan B 4.0: Mobilizing to Save Civilization.

Released 2002
The Earth Policy Reader
Lester R. Brown, Janet Larsen, and Bernie Fischlowitz-Roberts
Table of Contents
(Chapters available in PDF and html.)
Unsolicited Comments from Readers
Press Release
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