CES 2017: Ford sticks to self-driving cars by 2021 pledge

Ford insists it will have fully autonomous cars, without steering wheels or brake pedals, on the roads by 2021.

The firm plans to use them within an Uber-like ride-sharing service at first before considering putting them on sale.

But rival car-makers have suggested that deadline is too ambitious, as Rory Cellan Jones reports from the CES tech show in Las Vegas.

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