Commercial auto has been a dark cloud hanging over the U.S. property/casualty industry for more than a dozen years—and things are getting worse. In its new report, “Stuck in Reverse: Commercial Auto Losses Keep Mounting,” AM Best said underwriting losses in 2024 totaled about $4.9 billion. Its decline in commercial auto premiums is the result of strategic decisions to concentrate on profit over growth. The rating agency said continued losses in commercial auto “may have insurers rethinking” whether the line is worth accepting losses for access to other commercial lines. Topics Auto Commercial Lines Business Insurance AM Best Liability