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Audi is working on a suspension that gets power from bumpy roads

Regenerative brakes aren't new. They're on virtually every hybrid and EV, and they're even starting to pop up on traditional gas-powered cars, like with the i-ELOOP-equipped Mazda6. But even with these systems, cars can get more efficient, and Audi thinks it found yet another source of wasted energy. The source? The suspension. The idea is to turn the kinetic energy that goes into the dampers into usable energy instead of as waste heat. Audi isn't the first auto company to come up with regenerative suspension – nearly three years ago, ZF introduced its GenShock technology, which used a valve attached to traditional, oil-filled hydraulic shocks to recapture kinetic energy from movement caused by bumps in the road. Audi's prototype technology, which it calls eROT, replaces traditional dampers with horizontally oriented electromechanical rotary dampers. eROT is apparently short for electromechanical rotary damper. Neat. In testing, eROT recovered an average of 100 to 150 watts on a typical German road, three watts from a fresh piece of pavement, and 613 watts on a rough stretch of tarmac (wattage is calculated as power over time, so this is actually the rate at which the system harvests energy). The dampers channel that energy to a tiny, 0.5-kWh, 48-volt battery. The prototype is claimed to cut CO2 emissions by three grams per kilometer (4.8 grams per mile), while the company believes a future production version could save up to 0.7 liters of fuel per 100 kilometers of driving. Converting the savings to American miles per gallon isn't easy, so we'll use a practical example. In the US, the Q7's supercharged 3.0-liter V6 returns a combined rating of 21 miles per gallon, which works out to 11.2 liters per 100 kilometers. Apply eROT's 0.7L/100km savings, and the Q7's economy would improve to 10.5L/100km, or 22.4 mpg, a 1.4-mpg improvement. That's not huge, but because math, 0.7L/100km is more dramatic on a more fuel efficient vehicle – taking an A3's 27-mpg combined rating and adding eROT would drive efficiency up 2.4 mpg, for example. There are a few other big benefits beyond fuel and emissions savings – Audi claims eROT provides a more comfortable ride than traditional active suspensions, because engineers can tune the compression and rebound strokes independently of each other. Beyond that, the horizontally oriented rear suspension geometry means more cargo space, since the dampers don't poke up into the cabin like they normally do.

Audi A0 in development based on VW Up!

Bigger, it seems, is no longer better. Volkswagen has made waves with its Up! city car, a plucky three-door that's been a bit of a hit since it burst onto the automotive scene, spawning a number of variants during its short life. And while our European friends have gotten a Cross Up!, a commercial version, an EV model, Seat- and Skoda-badged variants, and a rumored diesel-electric Twin-Up!, the small city car has been lacking in terms of its premium content.
That fact makes this rumor rather tantalizing - Audi might be working on its own version of the front-engined, front-drive city car, to be called the A0. The report comes from AutoExpress, which claims Audi CEO Rupert Stadler wants a premium Up! that features a distinctive interior and exterior treatment.
Changes could include a trapezoidal grille, in addition to premium exterior features like LED lighting and alloy wheels. The cabin would feature leather and likely a version of Audi's MMI infotainment system, while power would come from a 109-horsepower, 1.0-liter engine found in the Up! GT Concept.

Audi service tech joyrides customer car, allegedly takes drugs on the way [UPDATE]

UPDATE: We've received and added an official statement from Audi Palo Alto. Dealerships get a bad rap. Stories about sleazy salespeople and overpriced service procedures abound, even though the reality is that most dealers are run by and employ honest, fair folks. But just because the bulk of dealers and their employees are good people, it doesn't mean some bad eggs won't slip through the cracks. Audi Palo Alto, in the heart of Silicon Valley, is finding this out the hard way after dash cam video of a service tech abusing a customer's car started blowing up on YouTube. In the video, which you can watch above, the unnamed service tech took YouTube user Carrera Chris's Audi – it's not clear what model, but it sounds like one of the company's higher-performance 3.0-liter, supercharged V6 models – for a rather spirited test drive. There are plenty of wide-open-throttle runs mixed in with some speeding – the dash cam's lower display shows 90 miles per hour at one point on the freeway – and you can hear the driver laughing throughout. None of this is too remarkable on its own, and maybe not enough to get the tech fired. Until, that is, he pulls into a parking lot and begins snorting something. The dash cam doesn't show the technician, so it's impossible to determine what substance – if any – the driver is allegedly taking. It could be coke, could be crushed up pills, or, hey, it could be a prescription nasal spray (it is allergy season, even in perpetually lovely northern California). Carrera Chris does say he found white powder in the seams of the driver's seat, so take that for what it's worth. There are five videos that include 12 minutes of footage – the one up top is a summary, while the four below show the alleged drug use and some more mundane footage. We've reached out to Audi Palo Alto's general manager, Jason Mattia. He wouldn't answer our questions over the phone, but did forward an official statement from the dealer. An unfortunate incident was brought to our attention earlier this week. We immediately began our investigation and have already taken action. We are working with the customer involved and have thanked them for bringing this matter to our attention. At Audi Palo Alto, we are proud to be a part of the San Jose community. We value and respect our customers, and our team of 75 employees strives to deliver the highest level of customer service.