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Fuel Economy
The Auto Fuel Economy Channel explains the technologies behind your car’s fuel efficiency and engine power. Learn all about automotive fuel economy. See more »
what's inside: fuel & alternative fuel technologies
The Car Fuel and Alternative Fuel Technology Channel explores all aspects of traditional and new automotive fuel types. Learn about car fuels at HowStuffWorks
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Types of Fuel
Our fuel choices have an impact on our environment. In this section, learn about ethanol, the possibility of salt water as car fuel cars, clean diesel and natural gas vehicles. See more »
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Using & Processing Fuel
The Using & Processing Fuel section will help you learn how gas pumps, fuel gauges and how gas prices work, among other topics. See more »
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featured articles
Why is summer fuel more expensive than winter fuel?
It sounds like a song parody about the exorbitant price of gas in the summer. But did you know that more than 20 different "boutique fuel blends" are sold from June to September?
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videos: alternative fuels at MIT
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Grassoline: Can we fuel cars with grass?
Can we use grass to power our cars? Proponents of cellulosic ethanol made from fast-growing switchgrass believe we can. Others are afraid we'll stop growing food to grow fuel.
How much extra gasoline would Americans use if daytime running lights were mandatory?
As gas prices spike daily, we're all looking to save money at the pumps. But if your car uses daytime running lights, be prepared to dig deep into your wallet.
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