Autos Explained: The Rotary Engine

It's not rocket science, but it's still ... science.

You've probably heard the term "rotary engine" at some point. You might have had a friend who owned an old Mazda RX-7, and you've probably seen an updated RX-8 driving through your neighborhood or on a dealership lot while car shopping. Some people might have thrown the term "rotary" out there like they expected you to know what it was.

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Wicked Tech: Spy on Your Valet

Chevy's Performance Data Recorder acts as your eyes and ears.

It can be difficult for any car owner to relinquish their keys to another driver, let alone a complete stranger, especially when your car costs tens - or hundreds - of thousands of dollars. To help ease anxieties, and ensure that your "baby" won't be returned to you in worse condition than when you dropped it off, Chevrolet is building upon their Performance Data Recorder (PDR) package to enable Valet Mode recording.

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GM Betting Big on 4G

Is in-car 4G LTE coverage worth the extra dough for buyers?

Just about every automaker knows that people love using their smartphones and tablets in the car (hopefully not while behind the wheel), and just about every one of them has at least one strategy to try and entice buyers. From Apple CarPlay to Android Auto to MyFordTouch to UConnect, all sorts of buzzwords like "connectivity" are being thrown around.

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Autos 101: Changing Your Air Filter Is a Cinch

It's so ridiculously easy; you should never pay for it.

Having some basic auto knowledge is important for everyone, not just gearheads. Autos 101 is your resource to learn about basic auto maintenance, along with common problems and how to fix them. This week we look at air filters, both under the hood and in-cabin, because they are inexpensive and incredibly easy to replace.

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You Should Worry: Connected Cars Can Be Hacked

Notorious hacker weev tells us modern cars are shockingly vulnerable.

Though today's technology marketing likes to tell us how "smart" our cell phones and cars are, hackers are proving this label to be a misnomer. At the Black Hat security conference and DEF CON hacking conference, which both took place recently in Las Vegas, researchers unveiled a wide variety of technologies that could potentially be hacked, including cars.

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Want to Make an Old Car Feel New? Buy a HUD

One company wants to bring every car into the 21st century.

In-car infotainment has grown in leaps and bounds over the last ten years. One decade ago, a USB port inside a car was thought of as a novelty, not much more than a luxury. Now, we have touchscreens with pinch-to-zoom capabilities, wireless phone connections, and - one of the most futuristic-looking updates for sure - head-up displays (HUDs). HUDs aren't exactly new - they've been in cars since 1998, but they never really caught on in the industry.

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