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.
Podcast of Lester Brown and Senior Fellow Richard Heinberg at the the Post Carbon Institute discussing developments in alternative energy and a path towards a sustainable future in the premier episode of the Post Carbon Exchange series. Posted March 26, 2010.