Recently I saw a discussion on another website about peak oil. Someone there was deriding the “environmentalists” who want us “to all use bikes”. He was saying “that is not a realistic solution”. Perhaps there is no single solution to our current mess of oil dependency. Perhaps, however, if we combine solutions, we will make a dent in this thing. I came up with the charts below to show what would happen if 1/3 of the USA population replaced

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