Despite a $4.4 billion decline in revenues, Ford Motor Co. retains its position as America’s largest carmaker by revenue for a second consecutive year—the first time it has done so in the history of the Fortune 500. The perennially strong performance of its F-series trucks is sustaining the company through an awkward transition in its passenger car lineup. In the next year, we’ll be keeping an eye on market adoption of its electric Mustang Mach-E as well as the soon-to-be-announced rebirth of the Bronco SUV.