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What Is A Limited-Slip Differential And How Does It Work?
Differentials are what allow the wheels on a vehicle to actually move around effectively. Open differentials are common, but limited-slip ones are special.
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What's The Performance Difference Between Catted And Catless Downpipes?
You might expect that catless downpipes, which lack a catalytic converter, would outperform catless ones. But as the old song says, it ain't necessarily so.
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This Costco Dash Cam Tackles So Many Pain Points, Why Do Reviewers Hate It?
Dash cameras are incredibly useful and growing in popularity among everyday motorists. However, here's why you may want to avoid this camera sold at Costco.
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The Benefits Of Diesel Electric Semi Trucks, And Where They Still Fall Short
Efficient diesel electric technology has been in use in railroad locomotives for years, so why hasn't it caught on in the world of semi trucks?
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15 Useful Car Gadgets You Can Buy From Amazon In 2026
Modern cars offer a ton of features and accessories, but there's always something lacking. Here are the best third-party products to upgrade your ride.
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Lucid Is Working On A Two-Seat Robotaxi Called Lunar That's Aimed Right At The Tesla Cybercab
Lucid is targeting 5.5-6 miles per kWh of driving, giving the robotaxi a theoretical range over 400 miles.
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Teen Discovers 1.5 Million Unidentified Space Objects Based On NASA Data
In recognition of his work, Matteo Paz won the prestigious Regeneron Science Talent Search, which includes a $250,000 prize that he's putting toward college.
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The First Practical Electric Car Built Looked Like A Giant Baby Carriage
We tend to think of electric vehicles as a new invention, but as you can tell from the design, the first electric cars are now well over 100 years old, .
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This Car Is Powered By Vapes, But Not The Way You Think
Free energy is tempting, but don't try this at home.
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Have Turbos And Hybrids Closed The Difference Between Small Block And Big Block V8s?
The saying goes, "There is no replacement for displacement." But can adding a turbocharger or a hybrid's electric motor(s) let small block V8s match big blocks?
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Super Clipping Is Formula 1's Most Hated Term After Opener In Australia
Super clipping won't be as prominent at other circuits on the calendar, but it likely won't be eliminated entirely without significant rules changes.
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Ford Patented A Smart Car Door That 'Brakes' Before It Hits Anything
There's an accelerometer to detect how fast the door is opening and a second sensor to see if anything is in the door's path.
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The Simple Upgrades That Make Your Cheap Car Feel Expensive
If you have a cheap, old car, there are some simple ways you could make it feel like a high-end luxury model if you're willing to make some upgrades.
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As The New Dodge Charger Sixpack Reaches Owners, Let's Honor The Hot Aussie Mopar Six
Dodge has an interesting past with six-cylinder power — just not in the United States. Its new gas-powered Charger Sixpack has an ancestor Down Under.
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5 Easy Ways To Put A Tape Deck In Your Car (Because Lexus Was Right All Along)
Lexus last made a car with a tape deck over 15 years ago, but that shouldn't stop you from putting one in your car today and experiencing audio joy.
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Volvo Puts Its Money Where Its Mouth Is, Sends UX-Upgrading Over-The-Air Software Update To 2.5 Million Cars
The better-looker infotainment software should be simpler and easier to use, and you'll also be able to add Pilot Assist to cars that didn't have it originally.
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Plymouth's Hy-Drive Transmission Was Half-Manual, Half-Automatic, And Totally Confusing
Plymouth used a Hy-Drive transmission that was fairly simple to use in practice, but its strange design and high cost caused it to quickly be discontinued.
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This Omni-Directional Monoball Scooter Is Like Riding A Trackball Mouse From 2003
If you've ever wondered what it's like to turn medicine balls into a motorcycle, then downsize to just one wheel, we've got the YouTube channel for you.
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11 Family Cars That Are Ridiculously Overpowered
SUVs and rocket wagons: These are the family cars that will make you feel like you're driving a sports car ... but with plenty of cargo space.
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5 Anti-Theft Devices For Your Car That Aren't Annoying To Use
Most modern cars aren't vulnerable to hotwiring, but that doesn't mean they're completely safe from theft. Protect your vehicle with these five devices.
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GM Is Facing A Lawsuit Over Selling Drivers' Onstar Data
The goal, it seems, is to make the practice of data sales so unprofitable as to be untenable for GM.
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Why Early Harley-Davidsons Had Bicycle Pedals
The oldest Harley-Davidson motorcycles weren't too different from bicycles. The first models from the brand had pedals that riders would need to use.
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What Million-Mile Club Engines Have In Common (Aside From, Y'know, The Mileage)
Want to make an engine last a million miles? Drivers control only a few of the factors that make these engines more durable than their flimsier counterparts.
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Can Old Car Phones Still Make Calls? Sure, If You're Willing To Put In The Elbow Grease
If you're willing to learn a few new skills, or if you're already handy with electronics, you might be able to get your 90s car phone working again.
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AMC Canceled The First Car With An Onboard Computer At The 11th Hour
AMC was originally going to include electronic fuel injection on a selection of its models from 1957, but design flaws led to this plan falling apart.
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Why The Harley-Davidson Milwaukee-Eight Engine Has Four Spark Plugs
Harley-Davidson's Milwaukee-Eight engine has two spark plugs per cylinder. It's all about boosting performance, efficiency, and emissions, while reducing heat.
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The World's Weirdest Rotary Engine Is A 118-Year-Old French Spinner That Leaks Castor Oil Everywhere
In the early days of engine building, a pre-Wankel rotary engine powered thousands of aircraft. One of several problems: It spewed castor oil on its pilots.
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