While investors get excited about the potential of robotaxis, EV makers will face severe financial challenges in 2025 and beyond.Several electric car stocks got huge boosts in recent weeks over enthusiasm for the promise of robotaxis. Tesla launched its robotaxi pilot program in Austin, Texas, last month. Lucid Group (LCID -2.17%), meanwhile, recently partnered with Uber Technologies to deliver 20,000 self-driving vehicles alongside a $300 million cash infusion. But not every analyst is bullish. CNBC's Jim ...