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.
Janet Larsen weighs in with "Economy, Food Drives China's Renewable Energy Sector," National Journal UN Climate Change Conference blog. Posted December 7, 2009.