Here’s a fun little quiz to help you test your knowledge about fuel efficiency.
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Question 1 of 10
1. Question
1 points
What is the best speed to drive on the highway for optimum fuel efficiency?
Correct
55 is correct. For each 10 mph over 55, Aerodynamic drag reduces fuel efficiency by around 5 miles per gallon.
Incorrect
Good guess, but the correct answer is 55.
Question 2 of 10
2. Question
1 points
True or false? Replacing a Clogged Air Filter on Modern Cars can improve mileage.
Correct
You got it right. Replacing a Clogged Air Filter on Modern Cars Improves Performance but not mileage.
Incorrect
Sorry, this was a trick question. Replacing a Clogged Air Filter on Modern Cars Improves Performance but not mileage.
Question 3 of 10
3. Question
1 points
For every 100 extra pounds it carries, your car:
Correct
Correct! Remove unneeded items from your car for better fuel economy.
Incorrect
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…
Question 4 of 10
4. Question
1 points
Accelerating and braking quickly can reduce fuel efficiency by how many mile(s) per gallon?
Correct
Correct! Accelerating and braking too fast can reduce fuel efficiency by about 3 miles per gallon.
Incorrect
Good guess, but the correct answer is 3.
Question 5 of 10
5. Question
1 points
If you let your car idle for two minutes:
Correct
Correct! Two minutes of idling equals one mile of driving in terms of gas used.
Incorrect
Good guess, but the correct answer is “You will use as much fuel as you would as if you drove one mile.”
Question 6 of 10
6. Question
1 points
True or false? Cruise control helps save fuel in flat terrain but not hilly terrain.
Correct
True- If using your cruise control on hilly terrain it will cause the car to accelerate quickly, wasting fuel.
Incorrect
Sorry, it’s actually true. If using your cruise control on hilly terrain it will cause the car to accelerate quickly, wasting fuel.
Question 7 of 10
7. Question
1 points
True or false: In summer, turn off A/C and roll down windows to save fuel.
Correct
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).
Incorrect
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).
Question 8 of 10
8. Question
1 points
Fixing a serious maintenance problem, such as a faulty oxygen sensor, can improve your mileage by as much as:
Correct
Correct! According to fueleconomy.gov, you can improve your mileage by as much as 40 percent.
Incorrect
Good guess, but according to fueleconomy.gov, you can improve your mileage by as much as 40 percent.
Question 9 of 10
9. Question
1 points
Fixing a car that is noticeably out of tune can improve its gas mileage by an average of:
Correct
Correct! According to fueleconomy.gov, you can improve the gas mileage by an average of 4 percent.
Incorrect
Good guess, but according to fueleconomy.gov, you can improve the gas mileage by an average of 4 percent.
Question 10 of 10
10. Question
1 points
True or false, tire pressure (how much air is in your tires) can affect your gas mileage.
Correct
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.
Incorrect
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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