How many people actually carpool? A lot, but interestingly, not as many as used to a couple decades ago: http://www.nytimes.com/interactive/2011/01/29/us/2011

How many people actually carpool? A lot, but interestingly, not as many as used to a couple decades ago: http://www.nytimes.com/interactive/2011/01/29/us/20110129-nat-CARPOOL.html?ref=us http://www.nytimes.com/interactive/2011/01/29/us/20110129-na...