Uber Technologies (UBER 1.19%) is going all-in on autonomous vehicles. The company just committed to a massive multiyear partnership with electric vehicle (EV) maker Lucid (LCID -3.08%) and self-driving start-up Nuro in a move that could reshape its future.As part of this new alliance, Uber will make a $300 million investment in Lucid and a separate, "multi-hundred-million-dollar" investment in Nuro. It will then look to deploy at least 20,000 robotaxis built by Lucid and equipped with Nuro's Level 4 autono ...