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Audi welcomes Porsche back to Le Mans like any sibling would

Ah, sibling rivalry. It really is a beautiful thing. It's even more beautiful when said siblings are automakers with very, very well-known racing histories. That's how you get videos like this, which is Audi's way of welcoming Porsche back to the top flight of Le Mans racing.
Yes, Audi has taken its R18 E-Tron Quattro back onto public roads, wowing schoolboys and scaring farmers (who appear to be riding classic Porsche tractors), as it travels from Ingolstadt to Zuffenhausen, just to taunt its corporate frenemy.
Take a look below for a video to see just what that teasing looks like.

1956 DKW Audi electric van beautifully restored

These days, electric vehicles that make commercial deliveries aren't entirely rare. UPS has a small fleet in California, and at least 5,000 Renault Kangoo Z.E. models are in use by France's national postal service. But the history of this concept is much older. In fact, one of the companies represented by Audi's four rings had an example about 60 years ago. Audi Tradition just completed a full restoration of this blue 1956 DKW Elektro-Wagen to add to the company's collection of historic vehicles. It's quite a rare find because only two are still known to exist. Audi estimates that DKW built about 100 of these electric vans between 1955 and 1962, and they were primarily sold to energy companies, public utilities and battery makers. To create the EV model, DKW took its normal Schnellaster delivery van and replaced the model's two-stroke engine with an electric drivetrain. The vans weren't exactly speedy, though. The motor produced about 6.7 horsepower and lead-acid batteries offered 200 amp hours of power running at 80 volts. It gave the Elektro-Wagen a claimed range of about 50 miles and a 25 mile-per-hour top speed. Following the restoration, Audi took van to the island of Wangerooge in the North Sea to show it off. The location is perfect, too, because vehicles with internal combustion engines are banned on the island. If you can read German, feel free to find out more in the press release below. „DKW Elektro-Wagen" zu Audi heimgekehrt Einen von zwei verbliebenen DKW Elektro Schnellaster restauriert Klein-Bus einst auf der Nordseeinsel Wangerooge im Einsatz Audi Tradition prasentiert einen aussergewohnlichen Neuzugang in seiner historischen Sammlung: einen „DKW Elektro-Wagen" von 1956. Zwischen 1955 und 1962 produzierte die Auto Union GmbH in Ingolstadt DKW Schnellaster – etwa 100 davon als Elektro-Automobile, die das Unternehmen vor allem an Energieunternehmen, Stadtwerke oder Batteriehersteller verkaufte. Bei dem nun nach aufwandiger Restauration „heimgekehrten" Elektro-Schnellaster handelt es sich um ein besonderes Exponat: Der DKW fuhr auf der Nordseeinsel Wangerooge, wo Automobile mit Verbrennungsmotoren verboten sind. Normalerweise war der DKW Schnellaster mit einem Zweitaktmotor ausgestattet - der „Elektro-Wagen" hingegen mit einem funf Kilowatt (kw) leistenden Reihenschluss-Motor. Die seitlich in zwei Kasten gelagerten Bleibatterien hatten eine Nennspannung von 80 Volt und eine Kapazitat von 200 Amperestunden (AH).

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.