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Auto | Fuel Efficiency | Fuel Consumption

Fuel consumption is a major issue in today's world. Because oil reserves are running low, we will need to cut our fuel consumption or else the cost of gasoline will only go up. Check out these great fuel consumption articles from HowStuffWorks.

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What does the weight mean on a can of motor oil?

Planning to change your own oil? You're probably wondering what the numbers on the can of motor oil mean. Find out what they mean and what oil is best for your car.


Why is summer fuel more expensive than winter fuel?

 Why is summer fuel more expensive than winter fuel?

Wonder why we pay more money at the pump for summer fuel? Find out why summer fuel costs more than winter fuel. See more »

Can I make my own ethanol?

 Can I make my own ethanol?

Can I make my own ethanol? Read this article to find out the answer to the question, can I make my own ethanol? See more »

Can I convert my car to run on water?

 Can I convert my car to run on water?

Water for fuel in lieu of oil is a breakthrough technology -- we might break our addiction to oil. Read more about the promise of water for fuel. See more »

What if I put sugar in someone's gas tank?

 What if I put sugar in someone's gas tank?

Does sugar in a gas tank really cause a reaction with the fuel and disable the engine? Find out what would happen if you put sugar in a gas tank. See more »

How Gas Prices Work

How Gas Prices Work

Gas prices are on the mind of just about anyone that owns a car. Learn about gas prices, how gas prices are determined and what factors affect gas prices. See more »

How Fuel Processors Work

 How Fuel Processors Work

Hydrogen gas is hard to store, so fuel processors are crucial to most commercial fuel cells. Learn how fuel processors supply the hydrogen and how efficient they really are. See more »

Why doesn't gasoline burn cleanly?

 Why doesn't gasoline burn cleanly?

Gasoline doesn't burn cleanly because of the arrangement of its carbon chains. Learn exactly why gasoline doesn't burn cleanly in this explanation. See more »

Could a car run on compressed air?

 Could a car run on compressed air?

A compressed air engine could be used to power a car, if you had a tank large enough to store it. Find out how a compressed air engine could power a car. See more »

What does the weight mean on a can of motor oil?

 What does the weight mean on a can of motor oil?

Motor oil weight depends on viscosity and other factors. Learn how motor oil weight is determined in this article. See more »

 Do race cars use gasoline like normal cars do or do they use something else?

Do race cars use gasoline like normal cars do, or do they use something else? See more »