Fuel Efficiency

Fuel efficiency has become an extremely important topic in today's world because of rising gas prices, the need to cut our carbon footprints, and the need to cut dependence on oil-rich nations. Check out these great articles on fuel efficiency.

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What are the best sources for unbiased fuel economy data?

As they say, "Your mileage may vary." But if you're new-car shopping, you probably want a reliable fuel economy number. Where do you go? Who can you trust?

How to Calculate Your Car's Fuel Consumption

There are two ways to measure your car's fuel economy: miles per gallon (mpg) and gallons per 100 miles (g/100m). Do you know how to calculate both of these figures?

Everyday Driving Tips to Save Fuel

You're not here looking for ways to not drive your car. Nope, you want advice that will keep you trucking on the cheap, so let's get to it. Here's a freebie: Tying four mattresses onto the top of your car is not super fuel efficient.

Choose the Right Vehicle for Every Task

Driving the right vehicle is important when you have a busy life filled with work, school, family and hobbies. Here's a quick guide to help you choose the right vehicle for any occasion.

How Formula E Will Work

Watching a field of Formula E race cars circle a racetrack is going to require some adjustment on the part of the spectators. Why? Because they're quiet. Chirping-crickets quiet.

Can the U.S. Navy turn seawater into jet fuel?

The U.S. Navy says it could make about 100,000 gallons (378,541 liters) of JP-5 jet fuel each day using ocean water. But how long will it be before the Navy's plan is plausible?

Micro-lattice Metal: The future of lightweight cars?

Will these hollow strands of laser-cut nickel revolutionize car manufacturing? And would you really want a car body that's just 0.01 percent solid? Maybe -- it's pretty resilient stuff.

Can ethanol damage your engine?

Specially engineered Flexible Fuel Vehicles (FFVs) can tolerate an E85 mixture of gasoline and ethanol. But will ordinary cars and trucks be able to stand up to the new blend?

How Carbon-neutral E-fuels Work

For a while, many of us imagined the possibilities: streets full of zero-emission electric vehicles (EVs). But the EV concept has suffered from a certain fragility, and some companies have shifted strategies. Let's talk about a few of them.

Are electric cars a failed experiment?

Electric vehicles have been around, off and on, for more than 100 years -- and this time around, they're failing to meet sales projections. Is it still too soon to write them off for good?

How Plant-microbial Fuel Cells Work

What if we could derive energy from crops without killing them or generate power using plants and land not needed for food, all through the power of microbes? Meet the newest, greenest "power plant."

Does hydrogen destroy metals?

Got your eye on a hydrogen-powered vehicle? The energy of the future comes with some baggage, including an uncanny ability to migrate through metals. Here's what you need to know.

Spend Green to Drive Green

Consumers are still paying a premium in the showrooms on new technologies. Keep reading to learn about the greenest cars on the market.

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.

Sweet Sorghum: The Sweetest Fuel You'll Ever Taste!

Used mainly in the U.S. as pancake syrup, sweet sorghum is exploding in popularity thanks to its other uses as a biofuel and animal feed. How can one plant do so much?

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?

5 Ways Responsibly Produced Biofuels Benefit Everyone

The next time you're filling up at the pump, take a minute to consider where that gas came from and how we can produce it more responsibly. Here are 5 ways that eco-friendly biofuels help the planet as well as big business.

How Algaculture Works

Some people believe that algae could very well be the answer to some of our energy problems. But how will we grow enough of it to accommodate all of our needs?

5 Environmental Solutions for Fleet Fuels

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?

Do solar powered cars cause pollution?

Do solar powered cars cause pollution? Keep reading to learn about solar powered cars and if they cause pollution.

Is there a future for steam-powered, super-efficient cars?

In the future, all of us will own flying cars. Oh, wait -- that's "The Jetsons." Our views of future transportation are a little more realistic, but cars will increasingly use electric power, reducing our dependence on fossil fuels. Right?

Natural Gas Vehicles: A Clean Alternative

Gasoline, everyone knows, is a polluting, volatile source for fuel. Still, the vast majority of vehicles around the world depend on it.

Ethanol, E85, Flex Fuel…What Does It All Mean?

Flex Fuel? Ethanol? E85? Been wondering what exactly all of this means? Keep reading to learn about new advances in alternative fuels.

Top 12 Ways to Increase Fuel Mileage and Save Money at the Pump

While fuel prices may be dropping at a faster rate than the stock market, drivers are still spending huge portions of their budgets on filling the tank.


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