Ford’s fleet of self-driving cars will be here in just five years. The company said Tuesday that it plans to roll out a “high-volume” fleet of driverless cars in a ride-hailing or ride-sharing service by 2021. These vehicles will be fully autonomous, meaning they will not have a steering wheel, gas, or brake pedals. However, Ford’s autonomous cars won’t be driving just anywhere. The vehicles will only operate in a geo-fenced area that has previously…