Autonomous vehicle insurance: An equation with unknown variables

Autonomous vehicles are pushing the boundaries of technology, but the legal and insurance frameworks are struggling to keep pace. While the technology performs well in tests, regulatory questions persist, particularly concerning liability when a driverless car causes an accident. It remains unclear whose insurance would cover the damage or whether premiums should differ from those for human-driven vehicles.

The concept of autonomous vehicles has existed since the mid-20th century, but practical implementation, especially for highly autonomous systems, has only emerged in the last fifteen years. These vehicles are categorized by levels of autonomy from 1 to 5, with levels 4 and 5 considered truly autonomous, requiring no driver or allowing driving without one in most situations. Currently, level 5 vehicles are not in commercial use, while level 4 vehicles are primarily deployed as robotaxis.

Globally, even in countries where autonomous cars operate freely, the regulatory landscape is incomplete. The U.S. combines federal safety standards with state laws, while China has more centralized regulations. However, both nations grapple with defining responsibility and insurance coverage post-accident. In the European Union, directives on motor vehicle insurance and product liability offer some guidance, suggesting mandatory civil liability insurance for all vehicles. This framework traditionally centers on the human driver as the primary risk holder, a concept challenged by autonomous systems where software, not a human, makes critical driving decisions.