2006 Porsche Boxster on 2040-cars

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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.

The 2014 Rolex 24 at Daytona: What we learned, what we saw

Two days after the flag dropped on the 2014 Rolex 24 at Daytona, people are still trying to figure out what it might portend for the rest of the season. In 24 hours, two minutes and 24 seconds, 695 laps were completed by the car that crossed the line first. During that time, 67 cars began the race, 18 of them retired. There was that accident, and a red flag. There were supposedly slower classes beating supposedly faster classes. There were 16 caution periods, including that yellow flag. And then there was The Decision. And Then The Uproar. And then The Reversal.
There was also some pretty good racing, so let's have one last look at the weekend. Oh, and there was that 1964 Ferrari 250 GTO Series II...
If you want to skip the reading bits and go to the photos, there's a high-res gallery of 158 images above and a couple more below. Enjoy.

Porsche exec confirms Macan Diesel for US

The idea of a diesel-powered Porsche is the sort of thing that sounds really, really weird... until you actually drive it. The result of sticking glow plugs under the hood of Stuttgart's finest, though, is a vehicle that's nearly as entertaining as a gas-powered model but with much more torque and better fuel economy. Considering that, we think it's absolutely splendid news that following previous reports, Porsche has now confirmed a diesel-powered Macan for the US market.
"We are now busy with the development and the engineering," Andre Oosthuizen, Porsche's North American marketing VP, told Automotive News. "I can confirm that V6 diesel offering with about 245 horsepower."
Yep, that's the same 3.0-liter V6 found, most notably, in the CUV's Audi Q5 platform-mate as well as a plethora of other Volkswagen Group vehicles, both in the US and abroad. Stuttgart already offers the 3.0-liter oil-burner in the Euro-spec crossover, where it churns out 258 hp and 427 pound-feet of torque.