Traffic signals are one of the most recognizable - and life-saving - things on the road. But where do they come from, and how do they work?

See omnystudio.com/listener for privacy information.

Can McLaren really build an affordable high-performance vehicle? Listen in to learn more about the McLaren 570S.

See omnystudio.com/listener for privacy information.

It's time for another installment of nuts and bolts, wherein Scott and Ben try (unsuccessfully) to squeeze in all the emails, news stories, stats and anecdotes that haven't made it into earlier episodes. Tune in to see if your letter made it to the air!

See omnystudio.com/listener for privacy information.

The Petersen Automotive Museum is filled to the brim with historic and unique cars -- and that's just the stuff on display. Join Scott and Ben as they take a closer look at the Petersen Museum vault.

See omnystudio.com/listener for privacy information.

Every driver knows that the sound of a car is an irreplaceable, unique part of the ride - part of its fingerprint, perhaps. But if that's the case, then why are so many manufacturers installing synthesized exhaust sounds?

See omnystudio.com/listener for privacy information.

It's time for another installment of nuts and bolts, wherein Scott and Ben try (unsuccessfully) to squeeze in all the emails, news stories, stats and anecdotes that haven't made it into earlier episodes. Tune in to see if your letter made it to the air!

See omnystudio.com/listener for privacy information.

From Bentleys to Lincolns and more, the guys have explored all sorts of luxurious rides -- but how do we actually define the term "luxury car"? Is it cutting edge technology? A smooth ride? A high price tag?

See omnystudio.com/listener for privacy information.

It's no secret that the cars of The Fast and the Furious franchise are stunning -- but who picks them, and how? Recently Scott and Ben sat down with Picture Car Coordinator Dennis McCarthy, the man behind the magnificent rides of "Furious 7", to discuss how he finds, fixes and fabricates so many amazing cars.

See omnystudio.com/listener for privacy information.

Whether it's a Hummer or a Mini, it seems almost every driver has a list of guilty pleasure cars -- you know, the rides you wouldn't necessarily want to be seen driving.

See omnystudio.com/listener for privacy information.

What do you put in your garage -- you know, other than a car? Inspired by a listener email, Scott and Ben take a closer look at garage art.

See omnystudio.com/listener for privacy information.