While Google has sought wide publicity for its self-driving car efforts, Uber has been a much quieter force in the movement. Uber confirmed news of the self-driving car project in February of this year but has kept its project under wraps until last week. An Uber-branded test vehicle, a Ford sedan, was spotted for the first time in Pittsburgh. The $40 billion company aims to develop its own fleet of self-driving taxis that will eventually replace its human drivers, the most expensive part of their car service.
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