On a hot day and traveling in a car, which method of keeping the occupants comfortable with the A/C is more energy and fuel efficient?

  • Set the thermostat to a lower temperature and keep fan speed to the lowest setting

  • Set the thermostat to a slightly higher temperature and compensate by setting the fan to a higher speed so you can feel cool enough with the breeze

  • BreadstickNinja@lemmy.worldEnglish
    1·
    9 months ago

    Aerodynamic drag increases with the square of velocity so the math checks out. Every additional 10mph is going to have a far greater impact than those before.