The race for autonomous vehicle dominance accelerates as Amazon enters the robotaxi arena after acquiring Zoox for $1.3 billion. With plans to launch in Las Vegas and scale to 10,000 vehicles annually, they're challenging Waymo's established presence in San Francisco, Austin, and Phoenix. We break down why Texas and Arizona have become hotbeds for autonomous vehicle development, and why even industry leaders face a long road to profitability despite billions in investment.