This article describes the automotive connected fleets reference architecture, which enables customers and partners to build composable, data-centric solutions. You can manage all aspects of your connected fleets, generate data-driven insights, and integrate fleet solutions with critical business processes. The connected fleets reference architecture is applicable to automotive original equipment manufacturers (OEMs), including small and emerging, fleet operators, fleet solution providers, and mobility service providers.

https://learn.microsoft.com/en-us/azure/architecture/industries/automotive/automotive-connected-fleets