Rivian just landed on Fortune's "America's Most Innovative Companies" list for 2026, and it's the first time they've ever made it. What got them there is the stuff they've been heads-down on for the past year: the zonal electronics architecture, deeper hardware and software integration, and early work on a self-driving AI model. Not the flashy stuff, the actual engineering work.

Rivian and Uber are teaming up to deploy a fleet of fully autonomous R2 robotaxis, and the scale of this deal is hard to overstate. Uber is committing up to $1.25 billion in Rivian through 2031, with an initial $300 million locked in right after signing, and nobody saw this coming.

Rivian is back as the headline sponsor of SXSW 2026, and this year it's all about R2. From off-road passenger rides to panels with RJ Scaringe and Kara Swisher, here's everything happening at the Electric Roadhouse in Austin from March 13 through 18.