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Technology

  • Closeup of an Inter-axle differential/power divider switch.
    1

    What The 'Power Divider' Switch In A Semi Truck Cab Actually Does To Both Drive Axles

    As you might imagine, the role of a power divider in a semi-truck is to distribute power between axles. But when is it used, and how do you operate it safely?

    By Kiran Menon 2 hours ago Read More
  • A supersonic-capable Concorde plane
    6

    Want To Fly To Japan In Two Hours? This Jet Could One Day Make That A Reality

    Could a flight across the world take just two hours? It might, if we master hypersonic travel — and a group of Japanese researchers is on the right track.

    By Brontë Wieland 4 hours ago Read More
  • Gas prices on a sign at a Shell in Santa Clarita, California
    14

    Green Biofuels Could Save The Day If Oil Supplies Remain Disrupted (And Possibly Cause A Global Food Crisis)

    Financially, the more biofuel that is produced, the lower gas prices will stay. But there are high costs beyond what you see on gas station signs.

    By Nicholas Werner 2 days ago Read More
  • A close up of one of Leonardo Company's ALPR devices attached to a pole, with an American flag waving in the background.
    94

    New Surveillance Tech Just Dropped That'll Help Cops Track More Than Just Your License Plate

    Private companies using smartphone data, RFID chips, and vehicle information to create an "electronic signature" is the next step in tracking your movements.

    By Lalita Chemello 2 days ago Read More
  • A Bugatti W16 engine on display
    0

    The Different Types Of W Engines Explained

    You might know a lot about V6 and V8 engines, but you might not know that there are W engines as well. And they come in many different sizes.

    By B. L. Johnson 4 days ago Read More
  • GM's headquarters in Downtown Detroit.
    76

    GM Is An Energy Company Now

    GM has big plans for cheap batteries, only they're not for its cars.

    By Chad Kirchner 5 days ago Read More
  • Photo visualizing the connected-car concept
    23

    You Car Is Greedy For Personal Data, But Thankfully You Can Probably Delete It

    Modern cars collect a tremendous amount of personal data, but there are ways to delete it. Here are the steps you need to take to protect your privacy.

    By Kiran Menon 5 days ago Read More
  • Close-up of a tire's tread, lit red on the right and blue on the left
    169

    California's New Tire Regulations Could Be A Nightmare For Enthusiasts

    The proposed CA program could change the sorts of tires available for sale to car enthusiasts and increase the cost of tire replacement for everyone else.

    By Justin Hughes 5 days ago Read More
  • The rear section of a yellow 2015 Porsche 911 Turbo
    10

    Here's Why Turbocharger Development Was Held Back For Years

    Turbochargers were patented in the early 1900s, but were never common in cars until the second half of the 20th century. So what held the technology back?

    By Aakash Badree 6 days ago Read More
  • A 1924 MAN diesel truck with a blue body and gold trim.
    3

    The First Vehicle With A Direct-Injection Diesel Engine May Be Older Than You Realize

    If you think direct-injection diesel engines made their debut in the 1980’s, think again. The first diesel without extra plumbing debuted decades earlier.

    By Benjamin Gracias 6 days ago Read More
  • Kawasaki Ninja 7 Hybrid
    13

    Here's Why Designing Hybrid Motorcycles Is So Tough

    Hybrid motorcycles could be faster, more efficient, and have longer engine life, but there are significant hurdles keeping them from being widely adopted.

    By Brad Brownell 7 days ago Read More
  • A YouTuber with Complete Street Performance holds up a Formula Z Performance Z-pipe so viewers can look through it
    13

    This 3D-Printed Exhaust Delivers More Engine Horsepower Than X-Pipes, But At A Cost

    Independent testing confirms this 3D-printed Z-pipe can deliver more power than an X-pipe. Whether it is actually worth the investment is a different matter.

    By Erik Sherman 7 days ago Read More
  • A semi truck filling up at a Honda-backed CNG filling station in Troy, Ohio
    11

    What's The Difference Between Natural Gas And Gasoline And Can I Put Both In My Car?

    While we call both of these two fossil fuel sources 'gas,' compressed natural gas and gasoline are two very different things with some interesting similarities.

    By Charles Krome 7 days ago Read More
  • Explaining compression ignition in diesel engines using a fire piston.
    6

    To Visualize How Diesel Fuel Detonates, Here It Is Igniting In Slow Motion

    You probably know how diesel engines work, but it's one thing to understand the theory and a whole different thing to actually see how diesel fuel ignites.

    By Kiran Menon 8 days ago Read More
  • Audi RS4 B5 turbocharged V6 engine.
    9

    The Turbo 'Whoosh' Is Disappearing From New Cars, And So Some Automakers Are Faking It

    Turbo cars are losing that signature whistle we all know and love, so some automakers are now using speakers to imitate it. It's still as fake as it gets.

    By Aakash Badree 8 days ago Read More
  • A pair of Aeon robots at BMW's Leipzig assembly plant
    13

    BMW Wants To Replace Factory Workers With Human-Shaped Robots

    The robot used in BMW's pilot program, can be fitted with a variety of tools on its hands and used to produce batteries and components for vehicles.

    By Ryan Erik King 9 days ago Read More
  • Front 3/4 view of the Undaunted robot dog, part of its security system
    39

    Robot Dogs Corner Car Break-In Suspect In Apartment Trash Compactor

    In this case, the garage was monitored by Undaunted, a security company that uses four-legged robots rather than human security guards.

    By Justin Hughes 11 days ago Read More
  • The 2024 Ram 1500 RHO fitted with Hurricane inline-six getting air on a dirt road
    11

    These 5 Inline-6 Engines Might Not Roar Like V8s, But They Make More Power

    These five inline-six engines prove there's indeed a replacement for displacement, offering factory power outputs that embarrass many modern V8s.

    By Charles Krome 12 days ago Read More
  • A 2026 Dodge Charger Scat Pack smoking its tires
    38

    Driving Style Isn't The Only Thing Draining Your EV's Battery

    As you might expect, aggressive driving can affect how much charge your EV holds. But there's more you'll need to keep track of to maximize its range.

    By Charles Krome 13 days ago Read More
  • Closeup shot of a gearbox.
    8

    Pros And Cons Of Transaxles Vs. Standard Transmissions

    What really happens under the hood of your car when you shift gears? These are the main technical differences between transaxles and traditional transmissions.

    By B. L. Johnson 14 days ago Read More
  • Cummins B6.7 Octane gas motor
    22

    Cummins Makes An Engine That's Basically A Diesel But Runs On Gas

    The gas-powered Cummins engine still has tons of torque, and there are some other potential upsides too, including reduced maintenance intervals.

    By Andy Kalmowitz 15 days ago Read More
  • Front 3/4 of 2012 Infiniti M35h parked in front of modern building
    3

    The Guinness World Record For Quickest Hybrid In 2011 Sounds Laughably Slow Now

    Infiniti turned heads when its 2012 M35h set the Guinness quarter-mile hybrid record, but brands like Ferrari and Chevrolet have continued raising the bar.

    By Charles Krome 15 days ago Read More
  • Pack of IndyCars on track at the 2026 Indy 500
    6

    IndyCars Running Bonkers Powertrains May Sound Awesome, But Making Racing Relevant To The Road Remains Much More Important

    Racing is expensive, and winning never hurts, but to continue into the future, every series still has to answer the question of, "What are we even doing here?"

    By Collin Woodard 17 days ago Read More
  • C-3PO poses for the camera as people stand in line and move around behind him
    23

    Sorry, Humanoid Robots, You Can't Fly On Southwest Airlines Anymore

    For now, your robots will have to wait outside with the other droids while you try to find a ride to Alderaan.

    By Justin Hughes 18 days ago Read More
  • A rendering of a combustion process inside a car engine
    0

    Here's What Happens When Your Engine's Air-Fuel Ratio Is Off

    Engines need a perfect ratio of air to fuel for optimal combustion, and too much of either comes with its own set of potentially catastrophic consequences.

    By Benjamin Gracias 19 days ago Read More
  • A Sony CDX-GT420U head unit with PNY USB flash drive.
    43

    The Pros And Cons Of Using USB Thumb Drives For Your In-Car Music Library

    USB flash drives offer surprising advantages over streaming for listening to music in your car, but the tradeoffs may not be worth it for some drivers.

    By Aakash Badree 21 days ago Read More
  • Closeup photo showing Subaru's logo badge on the front grill of a vehicle.
    33

    When Did Subaru Switch To CVTs?

    Continuously variable transmissions boast fuel economy benefits and smooth acceleration, though not every driver is a fan.

    By Kiran Menon 21 days ago Read More
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