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The Ultimate Economical Driving Quiz
by Staff
In the world of ever-increasing gas prices the ability to improve gas mileage is a valuable skill. Your car might be able to get a lot better mileage than you know, but you have to be willing to do what it takes. Do you want to learn how to save hundreds of dollars per year on gas? Take this quiz to discover what you know about economical driving.

Poor automobile maintenance accounts for how much lost gas mileage?

  • 5 percent
  • 15 percent
  • 25 percent

What is the average lifespan of a modern spark plug?

  • about 10,000 miles
  • nearly 20,000 miles
  • more than 30,000 miles

How often should you change your car's oil?

  • every month
  • every 3,000 miles
  • every 10 tanks of gas

Where should you go to find out which type of oil your car needs?

  • Ask the person who sold you the car.
  • Consult the owner's manual.
  • Use whichever oil is most expensive.

How does replacing your air filter improve your gas mileage?

  • Better air intake means you use less fuel for the same amount of power.
  • Better air intake thins out the fuel, which makes it last longer.
  • Better air intake reduces the drag coefficient of the car, thus improving mileage.

How much money per gallon can you save by regularly replacing your air filters?

  • 5 cents per gallon
  • 10 cents per gallon
  • 20 cents per gallon

How much money can you save by replacing your spark plugs?

  • 25 cents per gallon
  • 50 cents per gallon
  • 75 cents per gallon

How often should you check your tire pressure?

  • once a week
  • once a month
  • once a year

How does added weight affect gas mileage?

  • It decreases it one mile per gallon for every 10 pounds.
  • It decreases it one mile per gallon for every 100 pounds.
  • It decreases it one mile per gallon for every 1,000 pounds.

How much more fuel do you burn when driving over 60 miles per hour?

  • 10 percent
  • 25 percent
  • 50 percent

How much horsepower (hp) is lost buy running the air conditioning?

  • 15 hp
  • 50 hp
  • 100 hp

Besides saving money, which of these is another good reason to drive efficiently?

  • It's good for the environment.
  • It's the law.
  • It's safer.

Approximately how many vehicles are riding around with an underinflated tire?

  • 10 percent
  • 20 percent
  • 40 percent

What effect does cold weather have on tire pressure?

  • It lowers your tires pressure.
  • It has no effect on tire pressure
  • It increases tire pressure.

Which of these types of tires is best for fuel efficiency?

  • off-road tires
  • all-season tires
  • racing slicks

To what degree can a tune up improve fuel efficiency?

  • 5 percent
  • 10 percent
  • 15 percent

Of all the things you should do to take care of your car, which of these most greatly affects fuel mileage?

  • changing the oil
  • replacing the air filter
  • replacing a faulty oxygen sensor

How many items on the market actually improve gas mileage?

  • about six
  • about 20
  • about 100

How does driving during off-peak hours effect gas mileage.

  • Avoiding stop-and-go traffic lets you drive faster, which decreases gas mileage.
  • Avoiding stop-and-go traffic improves gas mileage.
  • Avoiding stop-and-go traffic has no significant effect on mileage.

How low should your gas tank get before you refill it?

  • one-quarter of a tank
  • half a tank
  • three-quarters of a tank