A computer includes a processor and a memory storing instructions executable by the processor to collect operation data of one or more components of a vehicle, input the collected operation data and previously stored operation data to a first machine learning program that assigns the collected operation data to one of a plurality of previously determined paths and outputs a target fuel consumption rate of the vehicle based on the assigned path, input the target fuel consumption rate and the collected operation data to a second machine learning program that outputs a plurality of operation settings of the one or more components to attain the target fuel consumption rate, and actuate the one or more components to attain the plurality of operation settings.