Originally Posted by
annc
That number seems way off. Foreign imports account for two thirds of the US oil supply. If biking to work one day week reduces imports by half, then two days a week would eliminate imported oil. Three days a week means no oil needed at all.
Edit: Now I see your edit. Persian Gulf imports (Saudi Arabia , Iraq, an Kuwait) account for about 25% of foreign oil so it makes more sense now.
Also, consider the excruciatingly small percentage of people who currently bike to work. Going from "present state" to "every US driver bicycling to work one day a week" represents, in my estimation, a staggeringly astronomical shift. Doubling that? Whew.