Tesla has expanded its robotaxi service to Orlando and Tampa, marking a significant step in the company's effort to scale its autonomous ride-hailing business beyond its initial launch cities.

The expansion comes as the electric-vehicle maker seeks to demonstrate that its self-driving technology can operate effectively in diverse urban environments, a critical factor for the long-term viability of its mobility-as-a-service strategy.

The move to Florida's major tourist hubs underscores Tesla's ambition to capture a larger share of the transportation market through its autonomous fleet.

By entering cities with high traffic volumes and complex road conditions, Tesla aims to gather more data and refine its algorithms, which are central to its competitive edge in the autonomous vehicle sector.

This expansion is particularly notable as it coincides with the company's upcoming earnings report, where investors will be looking for signs of progress in this high-stakes initiative.

The broader context for Tesla's expansion is a challenging landscape for autonomous vehicle operators.