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Jay Leno puts carbon fiber wheels to the test on a Porsche 911 GT3 RS

Jay Leno's Garage usually focuses on looking at cars new and old, speaking to their owners and then Jay taking a drive to see what he thinks. However, Leno throws his usual shtick to the curb this week to do a full product test of the carbon fiber wheels from a company called Carbon Revolution. If you're not interested in hearing about wheels for 18 minutes, don't worry. They get mounted on a Porsche and are tested back-to-back with stock wheels, and Leno takes the 911 for a track test, too.
While carbon-fiber wheels aren't exactly a new idea, Carbon Revolution's goal is to create a lightweight, one-piece product that can be mass produced. The company even claims that it already has a deal with an OEM automaker to offer them on a vehicle in a few years. The key to the technology is that it doesn't need an expensive autoclave to be made.
In the meantime, the company's carbon fiber wheels are available as an aftermarket option for about $15,000 a set, according to the video. They weigh in at about 15.5 pounds each and offer OEM-levels of stiffness, so they could cut some unsprung mass off of a performance car. Watch here as Jay and his mechanic Bernard lap Willow Springs and give their feedback about what they think of this cutting-edge technology.

Porsche tells 2014 911 GT3 owners to park their cars pending inspection

Porsche may have have a serious problem on its hands. After a rumored five 2014 911 GT3 coupes caught fire in recent weeks, Porsche launched an investigation and stopped delivering its road-ready racecar until it could diagnose the problem. Now, it has issued a press release asking all 2014 911 GT3 owners to immediately stop driving their cars until they can be inspected. Porsche is offering to pick up the cars from owners' homes and take them to the nearest dealer.
Porsche confirms that the at least two 911 GT3 coupes them have caught fire in Europe, and it has elected to inspect all 785 2014 GT3s worldwide. However, it claims no drivers have been injured in the fires. Unfortunately, Porsche says, "Internal studies to determine the cause of the engine damage have not been completed yet," so owners might have a bit of a wait before they are able to drive Porsche's ultimate 911 again. Scroll down to read the entire press release.

A closer look at the 2015 Porsche Macan

He assured us that "this is a sports car."
Porsche took the wraps off its all-new 2015 Macan at the LA Auto Show last week, and while it's easy to write it off as just a badge-engineered version of the Audi Q5, you'd be very, very wrong. For starters, 75 percent of the car's platform was re-engineered by the Porsche team, and with a choice of two twin-turbocharged engines, the Macan should absolutely live up to the brand's pedigree.