mitfahrgelegenheit.de is another great one. Ride shares tend to be much more popular in European countries because the distances between major cities are usuall

mitfahrgelegenheit.de is another great one. Ride shares tend to be much more popular in European countries because the distances between major cities are usually shorter and people are generally more trusting of riding in strangers' cars. GoLoco (from Robin Chase, ZipCar's founder) was an American take that never really caught on in the States.