Green Driving Quiz

Green Driving Quiz
Image: Dominique Bruneton/PhotoAlto Agency RF Collections/Getty Images

About This Quiz

With skyrocketing gasoline prices, drivers everywhere are seeking ways to improve their fuel economy. Find out how green your knowledge is with the green driving quiz.
By following certain green driving habits, you can increase your fuel economy by almost how much?
32 percent
47 percent
Modifying your driving habits can save you money and increase your fuel economy by up to 47 percent.
55 percent

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For every extra 100 pounds (45 kilograms) your car carries, it loses how much fuel economy?
1 percent
2 percent
That 100-pound (45-kilogram) suitcase in your trunk will decrease your fuel economy by 2 percent; eliminating weight from your ride can greatly improve your gas mileage.
4 percent

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Why do properly inflated tires improve fuel efficiency?
they decrease the force of friction
Since well-inflated tires have less contact with the road, they encounter less friction. Therefore, the engine doesn't have to work as hard to move the car.
they counteract the force of gravity
they're lighter

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At what speed do most cars run at maximum efficiency?
40 mph (64 kph)
50 mph (80 kph)
60 mph (97 kph)
According to the EPA, 60 mph (97 kph) is the optimal speed for fuel efficiency.

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Which of the following is not a viable fuel alternative?
vegetable oil
ethanol
xenon
Alternative fuels like vegetable oils and ethanol (made from corn) enable cars to run on natural renewable sources.

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Which of the following does not contribute to a 33 percent decrease in fuel efficiency?
hard braking
accelerating
coasting
Speeding, accelerating and hard braking require your car to overcome inertia, which can deplete fuel efficiency by 33 percent.

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Which of the following gets the best gas mileage?
SUVs
hybrids
Hybrid cars like the Toyota Prius are some of the most fuel efficient on the market.
sports cars

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When two or more people ride together to get somewhere, it's called:
car zipping
car pooling
Car pooling to work reduces the number of cars on the road, saves gas and saves money.
driving

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If people who were able to telecommute did so two days a week, how many gallons of fuel could be saved?
1.35 million gallons (5.1 million liters)
500 million gallons (1.9 billion liters)
1.35 billion gallons (5.1 billion liters)
Telecommuting just two days a week could save the United States 1.35 billion gallons (5.1 billion liters) of fuel.

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What work alternative can cut down on your commuting costs and decrease pollution by 20 percent?
four-day workweeks
A four-day workweek, which consists of four 10-hour days instead of five eight-hour days, saves on gas and energy bills while still accomplishing the same amount of work.
sick days
teleconferencing

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You Got:
/10
Dominique Bruneton/PhotoAlto Agency RF Collections/Getty Images

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