Rivian R2 is a $45,000 electric SUV, but the big surprise are its little brothers, R3 and R3X from Mashable
Rivian had a lot to show at its launch event, and did a pretty good job of keeping it all under wraps ahead of the big unveil. On Thursday, the company officially announced the Rivian R2, a mid-size electric SUV that looks a lot like a shrunken version of the company’s R1S. We pretty much…