Driving at ~50 mph IMO is not a practical driving style for a long trip on ~70 mph highways. But I do mostly set the adaptive cruise control and let it do the m

Driving at ~50 mph IMO is not a practical driving style for a long trip on ~70 mph highways. But I do mostly set the adaptive cruise control and let it do the mileage management. When I drive around town I get between 4 and 5 miles per kWh doing exactly what you suggest.