Uber Freight’s AI bet, Tesla’s robotaxi caveat, and Nikola’s trucks hit the auction block

​Welcome back to TechCrunch Mobility — your central hub for news and insights on the future of transportation. Sign up here for free — just click TechCrunch Mobility! For those U.S.-based readers out there, enjoy the long Memorial Day weekend, and if you’re on the road, expect it to be crowded. AAA projects 45.1 million […]