Delphi, the autoparts company, is buying self-driving car company NuTonomy for $400 million (plus $50 million in earn outs), the companies revealed on Tuesday. The purchase will double the number of people Delphi has working on autonomous vehicles to 200.

Why this matters: The acquisition is a clear bid to help the companies get ahead in the self-driving car race. In a similar spirit to General Motors' acquisition of Cruise last year, this deal unites a company on the car manufacturing side with an upstart that's been focused on the autonomous driving software side of things. Plus, the companies both already have pilots in Singapore and soon Boston. This is Delphi's second acquisition of an autonomous driving startup—it acquired Ottomatika in 2015.

Founded in 2013 as a spin-out from MIT, Boston-based nuTonomy has raised nearly $24 million in funding from Fontinalis Partners, Trucks Venture Capital, Highland Capital Partners, Signal Ventures, Bill Ford, and the government of Singapore, among others. The acquisition will not impact existing partnerships, such as nuTonomy's deals with Lyft and Grab.

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Democrats sound alarm on mail-in votes

Photo: Mark Makela/Getty Images

Democrats are calling a last-minute audible on mail-in voting after last night's Supreme Court ruling on Wisconsin.

Driving the news: Wisconsin Democrats and the Democratic secretary of state of Michigan are urging voters to return absentee ballots to election clerks’ offices or drop boxes. They are warning that the USPS may not be able to deliver ballots by the Election Day deadline.

Nxivm cult leader Keith Raniere sentenced to life in prison

Carts full of court documents related to the U.S. v. Keith Raniere case arrive at the U.S. District Court for the Eastern District of New York in May 2019. Photo: Drew Angerer/Getty Images

Nxivm cult leader Keith Raniere, 60, was sentenced to 120 years in prison on Tuesday in federal court for sex trafficking among other crimes, the New York Times reports.

Catch up quick: Raniere was convicted last summer with sex trafficking, conspiracy, sexual exploitation of a child, racketeering, forced labor and possession of child pornography. His so-called self-improvement workshops, which disguised rampant sexual abuse, were popular among Hollywood and business circles.