<human>:  How can I maximize the fuel economy of my car?
<bot>: To maximize fuel economy in your car, consider the following suggestions: 1) Reduce vehicle weight by removing unnecessary items from the trunk and/or roof rack; 2) Maintain proper tire inflation levels; 3) Drive at a constant speed and avoid aggressive acceleration and braking; 4) Use cruise control whenever possible; 5) For manual transmission vehicles, try to shift gears at lower RPMs; 6) Close windows and turn off air conditioning when driving at lower speeds.