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.
How Formula E Will Work
Can the U.S. Navy turn seawater into jet fuel?
Can ethanol damage your engine?
Sweet Sorghum: The Sweetest Fuel You'll Ever Taste!
How Algaculture Works
What's the process to convert wine into fuel?
What's the Most Americans Have Ever Paid for Gas?
Why Can't You Pump Your Own Gas in New Jersey?
Why Is 9/10 Added to Gas Prices?
Is It Bad to Drive Without a Gas Cap?
Running on Empty? How Bad Is It for Your Car?
For a Carpool to Work, Don't Ride With Jerks, Says Study
Rivian Aims to Change the EV Industry One Pickup at a Time
Why You Want Your Kid's School Bus to Be Electric
This Woman's Job Is to Figure Out Why People Don't Buy Electric Cars
Love It or Hate It: Stop-start Technology Is Here to Stay
Flexible Fuel Technology: Flex Engines
How Flex-Fuel Vehicles Work
California Proposing Ban on Gas and Diesel Cars
How the Toyota Hybrid X Works
Why would someone want to steal the hybrid badge from my car?
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In the early 1900s, vehicular propulsion was a free-for-all, with gasoline-, electric- and steam-powered cars all vying for popularity. Are we returning to the good ol' days of the automobile?
If air is already 78 percent nitrogen, is there really any benefit to paying extra for nitrogen tire inflation? And how can nitrogen-inflated tires save fuel, anyway?
Some drivers are drawn to hypermiling because of environmental concerns, while others simply seem to share a passion for fiscal thriftiness. But are there really any safe hypermiling techniques?
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In general, hypermiling is a dangerous practice. In fact, some of the most effective hypermiling strategies work only because the driver intentionally sacrifices control of the vehicle.
Some of these eco-mods appear to be logical, while others seem a bit like wishful thinking. Can the right eco-mod for your car save you money at the pump?
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?
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?
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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.
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?
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.
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?
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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.
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."
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.
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.
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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?
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?
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?
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?
By John Kelly
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Do solar powered cars cause pollution? Keep reading to learn about solar powered cars and if they cause pollution.
By Josh Clark
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?
Gasoline, everyone knows, is a polluting, volatile source for fuel. Still, the vast majority of vehicles around the world depend on it.
Flex Fuel? Ethanol? E85? Been wondering what exactly all of this means? Keep reading to learn about new advances in alternative fuels.
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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.
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