The drivers driving habits,
Proper maintenance of vehicle,
what could be the couse for a bad gas millege in a 1991 mercury tracer?
Usually above 150,000miles
THE BULB WILL NEED REPLACING BEHIND THE DISPLAY
it affects it by the contact with the car
BRAKES
mileage is a good indicator to go bye.
It can affect the cost, fuel guzzler tax.
it affects lungs
No
cause your done
By using kinetic friction
Age of the driver.