Fuel-efficient vehicles are extremely important. Because we need to cut our fuel consumption and find other ways of powering cars, fuel-efficient vehicles are now very popular. Check out these great fuel-efficient vehicle articles from HowStuffWorks.
Can ethanol damage your engine?
How Carbon-neutral E-fuels Work
How Plant-microbial Fuel Cells Work
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?
Do fuel additives really do anything?
Love It or Hate It: Stop-start Technology Is Here to Stay
Flexible Fuel Technology: Flex Engines
How Flex-Fuel Vehicles Work
Why would someone want to steal the hybrid badge from my car?
Top 10 Alternative Fuels on the Road Right Now
Do hybrid cars get power through kinetics?
What's keeping you from making the leap from your gas-guzzling car to an electric vehicle? We'll tell you why they're easier to buy and own than you think.
Automaker Rivian has the potential to disrupt the EV market like no company has since Tesla. But can it dethrone Elon Musk's car company as the dominant maker of EVs?
By John Donovan
Electric school buses are a very, very good idea. They cut greenhouse emissions, for one, but there are several more reasons the U.S. should transition its massive diesel-fueled school bus fleet to electric.
The newest electric vehicle from Honda is a throwback to the 1970s Honda Civic, with charming headlights and endearing styling.
At first it sounds brilliant. But after careful consideration, some dog and auto experts are torn over the safety of this newest Tesla option.
Thanks, Elon Musk.
The start of 2019 marks a new era in the world of electric vehicle charging. And that's a good thing.
Hey car manufacturers, are you taking notes?
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.
Do solar powered cars cause pollution? Keep reading to learn about solar powered cars and if they cause pollution.
By Josh Clark
Just because a car says "hybrid" on its side panel, is it really any easier on the environment than its gas-burning counterparts?
There’s a lot of buzz these days about electric vehicles, as years of prototypes and waiting at last give way to cars like the Chevy Volt and the Toyota Prius. But if gasoline is no longer king, is there room for solar power in the auto industry?
Fossil fuels (like gasoline and diesel) are running out and getting a bad rap for nasty tailpipe emissions -- and rightly so. Learn more about how green are automotive lithium-ion batteries.
In 1999, Honda Motor Company became the first automaker to sell a mass-produced, gas-electric hybrid to U.S. drivers -- the 2000 Honda Insight. But how has Honda refined the Insight for 2010?
By John Fuller
The E-Flex Propulsion System is a new platform from General Motors that will power the highly anticipated Chevrolet Volt sedan. If GM has its way, most commuters won't have to burn any gas as they travel to work each day.
A grease car can save you a lot of money on fuel, but can it also cost you in fines from the government? Why would clean fuel get you into trouble?
By Julia Layton
Grease cars use waste vegetable oil from fryers and restaurants as gas. But can your car become an efficient, aromatic vehicle, too?
By Julia Layton
We've heard it repeated so often in the past several years -- we're running out of the fossil fuels that power our cars. So why aren't we using solar power to fuel our vehicles?
Electric vehicles have been around since the first half of the 19th century; however, until recently, no reliable, mass-producible batteries were manufactured that could make electric cars competitive with gas-powered vehicles. That's beginning to change.
Both hybrid and electric vehicles use battery packs to power electric motors. Some systems are capable of generating 300 volts or more. Isn't it dangerous to drive these high-voltage cars through deep puddles?
Could the same type of battery that powers your cell phone power your car? Lithium-ion batteries are much lighter, which could amp the speed of the car. But they're certainly not cheap.
On a sunny day, you can practically singe your fingers on your car's steering wheel. But what if all that sun could be leveraged to power its engine instead?
Hybrid cars are not all fuel-sippers. Some have high performance and high prices. Most are designed for great mileage and low emissions at affordable prices. See these pictures and profiles of every 2007 hybrid model.
Want to drive an E85 vehicle but don't know which automakers make E85 ethanol flex fuel vehicles? Our guide to E85 vehicles will tell you which ones are compatible and whether or not a flex-fuel vehicle is right for you.
By Chuck Giametta
As gasoline continues to lose its cachet as a reliable energy source, auto manufacturers have started to turn toward cleaner-burning fuels. However, they're still trying to figure out how to use the cleanest fuel of all -- the air we breathe.