If most people don't own their car and use a fleet service, then it would be easy for the fleets to offer discounts to people who were willing to share a ride f

If most people don't own their car and use a fleet service, then it would be easy for the fleets to offer discounts to people who were willing to share a ride for part of the journey. Being able to automate car-pooling could drastically increase the passengers-per-car during rush hour so rush hour traffic might decrease.