Bernie Woodall:

launch with small fleets in Ann Arbor, Michigan, and in Chicago, New York, Frankfurt and Berlin. It will center around big cities and college campuses to start.
 
 Maven, a Yiddish word for expert, will expand to other cities this year, but GM would not say how quickly or by how much. Julia Steyn, head of GM’s urban mobility programs, said that depends on consumer demand in the initial cities and college campuses.

Via Bertel Schmitt.