Ford 1997 Aspire Manual page 182

3. After at least three to five tankfuls, fill the
fuel tank and record the final odometer
reading.
4. Divide the total number of miles that you
have driven by the total number of gallons
that your vehicle has used. In metric,
multiply the number of liters used by 100
and divide the answer by the number of
kilometers traveled. This will give you the
number of liters used per 100 km.
Comparisons With Environmental
Protection Agency (EPA) and Transport
Canada (TC) Fuel Economy Estimates
EPA fuel economy figures are obtained from
laboratory tests under simulated road conditions
and may not reflect the actual conditions you
experience or your style of driving. The EPA
fuel economy estimate is not a guarantee that
you will achieve the fuel economy shown.
Improving Fuel Economy
Fuel economy is affected by a number of
variables which can reduce efficiency. You can
improve fuel economy by understanding these
variables and minimizing their effect.
The following decrease fuel economy:
Lack of regular, scheduled maintenance
Excessive speed
Rapid acceleration and excessive speed
Driving with your foot on the brake
Sudden stops
Using speed control in hilly terrain
Extended use of the A/C, defroster, rear
window defroster and other accessories
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