HowStuffWorks Newsletter
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.
Topics to Explore:
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 next part of Kelly Helfrich's job? Changing their thinking.
We've all done it — forgotten to put the gas cap back on after fueling up and then driven off from the gas station. So is it bad for our cars?
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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.
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The start of 2019 marks a new era in the world of electric vehicle charging. And that's a good thing.
We've all done it – looked down and suddenly realized we're almost out of gas. What kind of wear-and-tear does this put on your car?
Does stop-start technology really help with fuel economy?
California can — and probably will — change the kinds of cars on the road in the United States. But it's going to take a while.
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What sets the new electric car apart from its competition, and what features have people so excited?
Scientists created an algorithm that matched people for social, as well as geographic compatibility, increasing rates of carpooling.
By Alia Hoyt
Hey car manufacturers, are you taking notes?
The world's second-most populous nation is preparing to make a change, and it could have big implications for business and the environment.
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Has the Volkswagen diesel scandal soiled clean diesel’s reputation beyond repair?
The claims from the fuel additive bottles seem to scream at you from the shelf of your local auto parts store: add me to your tank and I'll make everything better! But do they really do that? Well, it depends on your car and on your needs.
Everybody says it so it must be true, right? "Buy your gas in the morning when it's cooler, and it will last longer." Well, the science behind this theory is sound, but in reality, it won't save you much.
Car enthusiasts swear that driving a car with a manual transmission is more fun than an automatic. Manuals have also historically boasted better fuel economy, but is that still true today?
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Once upon a time, you bought a car with a manual transmission if you wanted to save at the dealership as well as at the pump. But times (and transmissions) have changed — manuals might not be the best at fuel economy anymore.
When is a car like a golf ball? Simple: when it has dimples! Now why, you might ask, would anyone want a dimpled car? As researchers on smart morphable surfaces are discovering, a dimpled surface can actually help an object travel faster and farther.
Fifteen years may seem like a long time, but if automakers are serious about meeting the new Corporate Average Fuel Economy (CAFE) standards, there's not much time to plan a strategy.
A diesel-powered car may cost a little more initially, but you'll make up the difference in fuel savings, right? Find out if your diesel-powered savings plans actually add up.
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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?