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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The Garden State is the only state in the U.S. where it's illegal to pump your own gas. What gives?

By Sharise Cunningham

What's with the fractions, gas stations?

By Cherise Threewitt

The world's second-most populous nation is preparing to make a change, and it could have big implications for business and the environment.

By Patrick J. Kiger


The food we eat, the equipment we use in our offices and the very computers and other devices we use to free us from physical labor, all have to get to us somehow. Is there an environmental solution for fleet fuels?

By Akweli Parker

Doomsday scenarios about when the globe will run out of fossil fuels have been flowing since the 1950s, when Shell geologist M. King Hubbert created a mathematical model showing what would happen to United States domestic oil production in the coming years.

By Eric Baxter

It's pretty much common knowledge that some countries use more resources than others. Do you know who consumes the most fossil fuel per capita?

By Jamie Page Deaton

Many countries are using more diesel fuel for a variety of reasons. Learn whether diesel fuel is good for the environment from this article.

By HowStuffWorks.com Contributors


It takes a lot of energy to slow or stop a car. And now a few engineers and technology companies have found a way to gather up that wasted energy. So how much can they collect and what can it be used for?

By Christopher Neiger

How does a gas pump know when you've got a full tank? Read this simple explanation of the mechanics that cause a gas pump to shut off when the tank is full.

Your fuel mapping computer picks up where your old carburetor leaves off, regulating the air and fuel mix in your engine so it can run smoothly. You don't need to do anything else but drive.

By Kristen Hall-Geisler

Corn crops have been exploding to meet the increased demand for ethanol. It may seem like a good thing, but the distinct possibility of permanent drought in several major corn-producing states has given farmers and scientists pause.

By Akweli Parker


Who would have thought that a bottle of cooking oil could potentially solve our energy problems? We could use vegetable oil to power our cars, but there's a long and arduous conversion process involved.

By Ed Grabianowski

Fuel prices tend to be higher in the summer thanks to consumer demand and the type of gasoline mandated by the Environmental Protection Agency. Did you know that more than 14 different "boutique fuel blends" are sold from June to September?

By Jacob Silverman

Ethanol production is deeply embedded in American history. But who could have known that those old moonshine stills just might be the answer to the current fuel crisis?

By Jennifer Pocock

How much money could you save if you skipped the pump and filled up your car with a garden hose? Some researchers claim that water will be the fuel of the future.

By Josh Clark


Putting sugar in someone's gas tank has long been rumored to ruin someone's car. But does it really work?

By Kristen Hall-Geisler

Gas is the bloodline that keeps America moving, and tracking prices can feel like a roller coaster ride. They're down one month, up the next, before climbing more than 50 percent in a year.

By Kevin Bonsor & Ed Grabianowski

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.

By Karim Nice

I have read the question about crude oil and the different types of fuel. I was wondering: if gasoline is an aliphatic hydrocarbon why doesn't it burn cleanly forming just CO2 and H2O?


If you have ever pumped gas that claimed to "oxygenated" -- something that is common in most urban areas in the winter -- then you have used gasoline containing MTBE.

Adding a chemical called tetraethyl to gasoline can significantly improve the gasoline's octane rating. So what does octane mean?

By Marshall Brain

The short answer is: yes. You could compress the air at your house using an air compressor fill a compressed-air tank in the car and the car could run off of it. But it's not quite that easy. Find out why.

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.


Ever wonder what kind of fuel race cars run on? Find out what kind of gasoline race cars from different motorsports run on.

I have heard that both race cars and some motorcycles (like Harley-Davidsons) use a dry sump oil system. What is the advantage of a dry sump?