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Here’s a fun little quiz to help you test your knowledge about fuel efficiency.
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What is the best speed to drive on the highway for optimum fuel efficiency?
55 is correct. For each 10 mph over 55, Aerodynamic drag reduces fuel efficiency by around 5 miles per gallon.
Good guess, but the correct answer is 55.
True or false? Replacing a Clogged Air Filter on Modern Cars can improve mileage.
You got it right. Replacing a Clogged Air Filter on Modern Cars Improves Performance but not mileage.
Sorry, this was a trick question. Replacing a Clogged Air Filter on Modern Cars Improves Performance but not mileage.
For every 100 extra pounds it carries, your car:
Correct! Remove unneeded items from your car for better fuel economy.
Good guess, but the correct answer is: “Can lose 1 to 2 percent of fuel efficiency.” Maybe it’s time to clean out the trunk…
Accelerating and braking quickly can reduce fuel efficiency by how many mile(s) per gallon?
Correct! Accelerating and braking too fast can reduce fuel efficiency by about 3 miles per gallon.
Good guess, but the correct answer is 3.
If you let your car idle for two minutes:
Correct! Two minutes of idling equals one mile of driving in terms of gas used.
Good guess, but the correct answer is “You will use as much fuel as you would as if you drove one mile.”
True or false? Cruise control helps save fuel in flat terrain but not hilly terrain.
True- If using your cruise control on hilly terrain it will cause the car to accelerate quickly, wasting fuel.
Sorry, it’s actually true. If using your cruise control on hilly terrain it will cause the car to accelerate quickly, wasting fuel.
True or false: In summer, turn off A/C and roll down windows to save fuel.
Turning off the A/C does increase engine efficiency, but rolling down the windows increases drag. The rule of thumb is: roll down the windows at low speeds and use the A/C at higher speeds (over 45 mph).
Sorry, it’s not true. Turning off the A/C does increase engine efficiency, but rolling down the windows increases drag. The rule of thumb is: roll down the windows at low speeds and use the A/C at higher speeds (over 45 mph).
Fixing a serious maintenance problem, such as a faulty oxygen sensor, can improve your mileage by as much as:
Correct! According to fueleconomy.gov, you can improve your mileage by as much as 40 percent.
Good guess, but according to fueleconomy.gov, you can improve your mileage by as much as 40 percent.
Fixing a car that is noticeably out of tune can improve its gas mileage by an average of:
Correct! According to fueleconomy.gov, you can improve the gas mileage by an average of 4 percent.
Good guess, but according to fueleconomy.gov, you can improve the gas mileage by an average of 4 percent.
True or false, tire pressure (how much air is in your tires) can affect your gas mileage.
True! Under-inflated tires can lower gas mileage by 0.3 percent for every 1 psi drop in pressure of all four tires. Properly inflated tires are safer and last longer.
False. According to fueleconomy.gov, Under-inflated tires can lower gas mileage by 0.3 percent for every 1 psi drop in pressure of all four tires. Properly inflated tires are safer and last longer.
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