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The pre-race and first in-race report from Le Mans

The 2013, 90th anniversary edition of the 24 Hours of Le Mans has begun, tragedy marking the opening laps with the death of Allan Simonsen. We're at the track now as a guest of Audi and plan to stay through the evening, and even we haven't been able to find out what caused the accident - the only video is from just after the incident, and beyond the statement from ACO there's been no more news. The Aston Martin in the LM GTE Am class and its all-Danish drivers had taken pole in its class and was one of the favorites to win.
The pre-race report will come first, and even thought we can't spoil the race because we're only five hours into it at the time of writing, we'll put all of the news at the end in case you don't even want the updates.
Or you can go straight to the high-res galleries above.

Audi design chief Egger leaving for Italdesign Giugiaro

Wolfgang Egger, Audi's chief designer, is leaving the company according to a Automotive News Europe, which cites a report from Germany's Automobilwoche. Egger won't be going far, though, remaining within the Volkswagen family and taking up head design position Italdesign Giugiaro, a VW subsidiary as of 2010.
Egger took over the position at Audi from Walter de Silva, and has been responsible most recently for the Audi A6 and A3, as well as the 2010 Quattro Concept and the E-Tron Concept. He previously was head of design at Lancia and then at Alfa Romeo, where he was responsible for the achingly gorgeous 8C Competizione.
If Egger does move to Italdesign, his successor is likely to be Marc Lichte, the Volkswagen designer behind the current Golf. Of course, these personnel changes haven't been officially confirmed, and Audi is thus far refusing to comment on either Egger or Lichte's possible career shifts. We'll stay with this one, so sit tight.

Audi debuts all-new R18 E-Tron Quattro with novel secondary hybrid system

This is the new Audi R18. It looks like the Bond villain of race cars (it has red running lamps), and if Audi's past is any indication, it'll prove difficult to beat in the LMP1 class of the 2014 World Endurance Championship.
The car's full name is the Audi R18 E-Tron Quattro, just like last year's car. Also like last year's car, the new R18 draws its power from a V6 turbodiesel, which powers its rear wheels, and Audi's E-Tron hybrid system, which runs its front axle. Unlike last year's car, though, this R18 has a secondary hybrid system. Audi has fitted the V6 with an electric turbocharger and figured out how to capture waste heat generated when the engine reaches its boost limit. That power can then be stored and fed back into either the turbo or the front axle's hybrid system under acceleration.
There are a number of changes to the body on the new car, forced in large part by series regulation changes. The car is narrower, particularly at the front, but it's also taller. The front end is set off by a new wing, as part of a new WEC regulation. Audi seems quite pleased about this, citing an improvement in front-end downforce and a reduction in cost. Like Formula One, the WEC contenders now have to contend with a ban on the so-called blown diffuser, which forced exhaust gases over the diffuser, creating downforce. That's necessitated some changes from Audi, although as we have no rear shots of the car, we can't tell you what it looks like.