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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 launches 2014 TDI models with hilarious spot

Audi has unveiled a set of new television spots that seek to continue the company's proselytizing of diesel-fueled luxury cars to the American pubic. With TDI versions of the A6, A7, A8, Q5 and Q7 available for its 2014 model year range, this is a subject that's obviously near and dear to the hearts of Audi marketers.
The first commercial, The Station, makes a play on the fact that many car buyers in the US don't associate luxury cars (in this case an A8) with those green-handled pumps at the "gas" station. The second commercial, Range, is a lot more informative (albeit less fraught with screaming and slowmo), discussing just how easy it should be to find a diesel fueling station in your long-range TDI before you need to fill up.
Continue on below for a look at both new commercials, or to have Audi explain them to you in great detail, via its press release.

Audi rumored to ditch Le Mans, DTM for F1

If you've been scratching your head wondering how - between Audi and Porsche - the Volkswagen Group could possibly support two rival top-tier LMP1 programs at Le Mans and the FIA World Endurance Championship, but stay out of Formula One entirely, you're not alone. In fact, Porsche was said to have been eying an F1 entry if Audi had internally blocked aspirations to return to Le Mans. But according to the latest rumors, it's Audi that's now preparing to shift away from endurance racing and onto the grand prix circuit.
Word has it that, following internal pressures from within the VW Group, Audi is finally gearing up for a full assault on F1. It's said to be developing a new six-cylinder turbo hybrid power unit - potentially at its new racing headquarters in Neuburg - and, in an expanded partnership with Red Bull, either take Renault's and Infiniti's places with the Red Bull Racing team or take over the Toro Rosso team entirely.
Although Ingolstadt has not campaigned in grand prix racing since the pre-war days of the Silver Arrows, it was said to have been the impetus for the FIA's push a couple of years ago for new four-cylinder engine regulations until Audi bailed on the idea altogether and F1 went for six-cylinder engines instead.