Fuel-saving Devices

You may have seen ads for so-called fuel-saving devices that make outrageous claims about their effectiveness. But are there any that actually work? Get the facts about fuel-saving devices in these articles.

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Love It or Hate It: Stop-start Technology Is Here to Stay

Does stop-start technology really help with fuel economy?

Flexible Fuel Technology: Flex Engines

A flex engine sounds like some sort of futuristic motor, but you'd be surprised how long this technology's been around. Is it greener or more efficient than a gas-guzzling engine? Flex your brain muscle and find out.

How Flex-Fuel Vehicles Work

Improving mileage is only one part of dealing with rising fuel costs. Some cars can accept gas blended with ethanol. But how does the vehicle adjust to the switch?

5 Similarities Between PRT and Cars

Personal rapid transit systems offer a public transportation option that's a bit more comfortable than the average subway or bus. In what ways is a pod car like your own car?

10 Surprisingly Fuel-efficient Sports Cars

There’s a saying about sports cars: They can pass anything on the road -- except a gas station. Here are 10 sports cars that break the stereotypical gas-guzzler image.

How the EPA Tests Fuel-saving Devices

You've seen lots of fuel-saving devices advertised on late night TV. But how can you know the gas-saving product you ordered in a sleep-deprived stupor will actually live up to its promises?

What is the technology behind the magnetic air car?

Running a car on compressed air isn't exactly a new idea. In fact, the technology dates back to the early 1930s. So what makes Magnetic Air Motors' magnetic air car unique?

5 Impressive Qualities of the HyperCar

They said it couldn't be done: No one could build a car capable of traveling 100 miles or more on a single gallon of gasoline. They were wrong.

How Low-energy Vehicles Work

We don't look at low-energy vehicles (LEVs) as outliers anymore. In fact, they've smoothly integrated themselves into the flow of traffic. Are LEVs now the new norm?

Flexible Fuel Technology: Motorcycles

If you're a motorcyclist and you're interested in flexible fuel technology, well...you have limited options. Depending on where you live, you might even have to import your bike.

5 Innovations for Lighter, Smarter Auto Parts

By 2025, it's quite possible that the average passenger automobile will be capable of getting more than 50 miles per gallon (21.3 kilometers per liter) — if it runs on conventional fuel at all.

5 Products for Better Fuel Economy

During times of rising gas prices, which seems to be all the time, vehicle owners are on the lookout for a well-priced product that can save them a few dollars in the long run.

Can solid oxide fuel cells change transportation?

A fuel cell uses a positive electrode (the cathode) and a negative electrode (the anode) with an electrolyte in between for conducting charged particles. How much do you know about fuel cells?

How have automakers improved fuel efficiency?

By 2025, the Obama administration would like to see the average vehicle rated at 54.5 mpg, or 37 mpg on a window sticker. Considering that the industry has made just over 2 percent gains a year since 2007, this is no small feat.

How is natural gas compressed?

To make natural gas a viable fuel for vehicles, it must be compressed. This allows more fuel to be stored per volume, among other things. How much do you know about natural gas?

Cars of the Future

Do you ever think about what cars will look like in the future? Check out this amazing Cars of the Future graphic!

What are hydrogen fuel cell kits?

Anyone who's seen the famous, grainy footage of the Hindenburg disaster is familiar with the idea that hydrogen ignites easily. Burning unlocks stored energy, making hydrogen useful as a fuel.

What are natural gas generators?

Natural gas generators, as the name suggests, use natural gas -- which includes the propane used for backyard grills or the methane that utilities supply through underground lines -- to generate electricity.

What's the energy efficiency ratio for hydrogen fuel cells?

Instead of burning fuel like conventional engines, hydrogen fuel cells work through an electrochemical process. To produce electricity, hydrogen atoms are ionized on one side of an electrolyte membrane. How much do you know about hydrogen fuel cells?

Why Fuel Additives Won't Improve Performance and Gas Mileage

Why fuel additives won't improve performance and gas mileage. Learn why fuel additive won't improve proformance and gas mileage in this article.

10 Fuel-saving Device Hoaxes

For as long as we've complained about gas prices, there's been an army of inventors offering devices to stretch our mileage further. But which ones work and which are hoaxes?

Do most gas-saving devices really work?

Mileage-boosting gadgets have been around for years, and they seem to make a comeback every time gas prices spike. But do any of them actually work?

What can you do to your car to save fuel?

Fuel prices are on the rise, and with gas getting so costly, those fill-ups are no trivial expense. What can you do to help your vehicle save fuel?


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