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Audi rules out R8 PHEV, will build E-Tron to order

The question of whether Audi will morph the next-gen R8 (pictured above, in testing) into a plug-in-hybrid challenger for the BMW i8 may have been answered. CarAdvice, in Australia, is claiming that any plans for a PHV 2016 R8 have been shelved, and that Audi will go ahead with gas-powered or all-electric models, only.
Even then, the electric R8 E-tron (if it ends up being called that) would be built-to-order, and in much smaller quantities than the gas-powered model.
"In the next generation we will have an electric car on behalf of customers' needs, which is only available [upon special order]," Audi product manager Marie Suzanne Ernst told CA. "So it's not a make of series production, but if a customer wants to have it, he can order it."

Electric turbos promise big performance and efficiency gains in the near future

An electric turbo system boosts efficiency between 15 and 20 percent, according to Audi.
Turbochargers, like acoustic guitars, use moving air to create magic. And electric turbochargers, like electric guitars, provide the ability to amp up that magic to amazing new levels.

Audi supercar not yet approved, R4 not quite dead, still room for an MPV

According to a report by Autocar, all we thought we knew of the in-development Audi supercar we might not actually know. A piece in Car and Driver, not even a month old, said the diesel-hybrid halo car was in the design stages, would get the engine from the R18 E-Tron Quattro and its carbon fiber tub. Now we get word that that while the coupe is indeed being designed, it hasn't yet been signed off and there's no business case for it yet. Said business case, whenever it is built, is also dubious of the diesel aspect of the car at the moment - diesels aren't known for creating Pavlovian purchase responses in buyers in the two key markets of the US and China.
The report suggests that instead of a diesel, the 2014 Le Mans regulations changes "could swing the favour back towards petrol models," which would give the so-called Scorpion a better tie to racing technology. Of course, that also assumes that Audi would contest next year's Le Mans with a gas-powered car. If so, that would be an about-face on the original reasons for the halo sportscar in the first place.
In other news, seems Audi also believes it can slot another sportscar below the R8, it just needs to get the financials sorted. The R4 - a Porsche Boxster-sized roadster - that has been chattered about for years is still in on the table but appears a long way off. Company R&D chief Wolfgang Durheimer said it would need to be mid-engined and bring plenty of tech to separate itself from the TT, but mass-market price point is the catch as is the focus on other segments in the portfolio.