Dear Car Talk: I’ve been reading about a device called Fuel Save Pro that plugs into my car’s OBD II port under the dashboard. It says I can save 15% to 35% on fuel costs by letting this device ...
NEW ORLEANS — The TruckWings tractor-mounted aerodynamic device, which closes the gap between the cab and trailer, showed a 6.2% improvement in diesel truck fuel efficiency and a 5.2% improvement for ...
I’ve been reading about a device called Fuel Save Pro that plugs into my car’s OBD II port under the dashboard. It says I can save 15% to 35% on fuel costs by letting this device optimize my car’s ...
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