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Here's how to follow this weekend's 24 Hours of Le Mans

In the pantheon of motorsports, the 24 Hours of Le Mans stands as one of the great endurance challenges to man and machine. This year's event in France already looks to be one for the ages with Porsche setting record-breaking times in practice and the competition debut of Nissan's front-engine, hybrid racer. Thankfully, there's a massive list of ways to follow this automotive attraction. Reilly Brennan, the Executive Director of the Revs Automotive Research Program at Stanford University, and a friend of Autoblog, has once again assembled a helpful couch-kit to organize many of the options. Unfortunately, the old-school way of just turning on the television might be the most frustrating way to watch Le Mans this year. Fox Sports 1 and 2 are carrying about half the race, but the coverage bounces between them seemingly at random. The broadcast begins on Fox Sports 2 at 8:30 AM Eastern ahead of the 9:00 AM start and lasts there until 12:00 PM. Things don't pick up again until 7:00 PM Eastern on Fox Sports 1 for an hour, and the channels swap back and forth more from there. The Fox Sports Go streaming app offers more, but even it stops showing the race a few times. Thankfully, streaming Le Mans is easy. If you can't dedicate 24-hours on the couch, Radio Le Mans lets you listen to audio commentary anywhere with some of the best announcers in the biz. The Automobile Club de l'Ouest, the governing body for the race, also offers an official video stream in an app for $9.99. For a really low-tech solution, the official Twitter is another choice. Brennan is keeping his list updated with coverage changes. You can also check out and download the spotter's guide (from Nissan) in the gallery above. Enjoy this year's race. If you miss anything, don't worry; expect a full report from Autoblog. In fact, editor-in-chief Mike Austin is attending Le Mans this year, so follow him on Twitter for on-the-fly impressions. Featured Gallery 2015 24 Hours of Le Mans Spotter's Guide News Source: Reilly BrennanImage Credit: Nissan Motorsports Audi Nissan Porsche Toyota Hybrid Racing Vehicles

Leaked Audi product roadmap may confirm R8 with V6 engine

About a year ago, we reported that Audi was considering downsized engines for the new R8, which launched in V10 form. This is partially due to the Chinese market's desire for smaller displacement engines, and partially due to R8 technical lead Roland Schala's statement that a "V6 is a perfect engine for this car." This leaked upcoming product schedule, passed on by our friends at Autobahn.eu, seems to confirm these rumors. Based on the information in the image above, the R8 V6 is due in 2018. The rest of the product map seems to square with vehicles we know are in the pipeline. We spied the SQ7, A5, and R8 Spyder about a year ago, and the TT RS a few months ago. We told you in December a new Q5 is on the way, too. We just heard a credible rumor that the RS3 is on the way in 2017 as a 2018 model, and may even come to America, which squares with what we're seeing here. And we drove the Q7 E-Tron in 2015 – it's going on sale in Europe soon. This graphic puts the on-sale date as October 2017; that could be for the US market. Puzzlingly, this graphic doesn't discuss the Q2, which Audi just teased today. We're not sure what to make of that. Now onto the fun stuff. 2018 should be when Audi reveals a new A8 (featuring, most likely, a version of the futuristic Virtual Dashboard seen at CES) and A7, an RS 5 Coupe launching a few months after the A5/S5, a new A6, and the already-confirmed Q8 SUV. All expected or already confirmed. What about the cryptically-named "C-BEV?" If we extrapolate that to mean C-segment EV, if could be the Audi version of the stand-alone EV that VW is reportedly developing, and no, it's not the next E-Golf. We expected this MEB-based vehicle to debut in 2018, before the next-generation Golf, so again our rumors square nicely with what this roadmap tells us. Let's leave it at this: if you're an Audi fan, the next few years are going to be quite exciting. Expect some of these rumors to be confirmed in Geneva, so keep your eyes here for more Audi and VW info. Related Video:

Audi celebrates 25 years of TDI

Nope, the diesel engine never really did go out of style for Audi. Now, the German automaker has released a video reminding the world of its persistence with the oil-burners and is commemorating the Silver Anniversary of Audi's first commitment to turbodiesels in 1989. And, yes, there are some road racers shown in the clip, so some of those bad boys actually move pretty well. Audi engineers on camera admitted to some of the early TDI engines being "slow" but still valuable for their torque and, obviously, their fuel economy relative to gas-powered engines. A bunch of tinkering later, though, and Audi says its diesels can be a legitimate "part of a performance car" and has even overcome the issue of noisiness that's often associated with diesels. The automaker made some news in these parts a few years back when its Audi A3 TDI won the 2010 Green Car of the Year at the annual LA Auto Show in late 2009, and the model even succeeded a fellow diesel (the Volkswagen Jetta TDI) to boot. Granted, diesel sales aren't nearly as popular in the US as they are in Europe. Still, Audi last year boosted its diesel sales in the US by 40 percent to 10,076, which was about a tenth of what sister company Volkswagen sold in diesels last year in the States. And things have looked even rosier this year for Audi's TDI sales. Through June, Audi diesel sales have almost quadrupled from a year earlier to more than 8,100 units. Check out the 150-second video on Audi's 25-years of TDI production below.