2009 Audi A6 3.2 Automatic Cvt Premium Plus on 2040-cars

Auto blog

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 and Hyundai team up to boost hydrogen fuel cell cars

Hyundai agreed a deal with Audi on Wednesday to collaborate on hydrogen car technology, hoping to boost an energy segment that has lagged behind battery electric vehicles. The South Korean firm wants to increase the sales and acceptance of hydrogen cars, which are propelled by electricity generated by fuel cells but have been held back by a lack of infrastructure and the push for battery electric vehicles by the likes of Tesla. The pair will be able to access each other's intellectual property and share components, including any new parts developed by Audi, which is responsible for hydrogen fuel cell technology in the Volkswagen Group, the world's biggest car seller. Hyundai hopes that the move will create greater demand for vehicles such as its ix35 model and bring down costs to make the technology profitable. "We want to provide to our component suppliers more chance and we want to have competition between component suppliers," Sae Hoon Kim, the head of Hyundai's R&D fuel cell group, told Reuters in an interview in London. "We also want to make them to have competition with other suppliers, and that competition will bring down the cost." Carmakers such as Toyota have touted the benefits of hydrogen vehicles, which take less time to refuel than the recharge times of battery electric cars, but are expensive and suffer from a lack of refuelling stations. Many carmakers are focusing on battery electric vehicles, which can take between half an hour and half a day to recharge, but are increasingly able to use a growing network of charging points. Auto firms are teaming up to share the cost of developing greener technologies to replace combustion engines as regulators around the world crack down on emissions. GM and Honda have a partnership to jointly develop electric vehicles with hydrogen fuel cells that are expected to go on sale in 2020, while BMW is working with Toyota. Kim said that a toughening of European Union carbon emission limits in 2025 would create a need for more hydrogen cars. Hyundai sold 200 such models last year and expects to sell thousands this year, but Kim said profitability was still far off. "100,000 or 300,000 vehicles per year per company, when that comes, I think we can make money," he said. Reporting by Costas PitasRelated Video: Image Credit: Getty Auto News Green Plants/Manufacturing Audi Hyundai Alternative Fuels Future Vehicles Hydrogen Cars

Audi sketches out new TT ahead of Geneva debut

In less than two weeks, the doors will open at the Geneva Motor Show, and we'll be there to capture all the action. Among the dozens of new debuts we're looking forward to will be the arrival of the new third-generation Audi TT, and to give us a better idea of what we're looking forward to, Ingolstadt has released this series of teaser sketches.
Looking every bit like a TT should and drawing heavily on the Allroad Shooting Brake concept that debuted at the Detroit Auto Show last month, the images foretell of a new Audi sports coupe with a single-frame grille, matrix LED lighting and a deeply creased hood with the four-ring emblem placed atop the nose, as on the R8.
Horizontal lines at the back preview Audi's next design language, with twin exhaust tips flanking the diffuser on base models and quad tips on the next TTS. A cleaner interior design also harkens back to the first-gen TT that started it all and from which the new one draws its inspiration. Scope out the images in the gallery above for a closer look at what's to come, then scroll down for the details in the press release below.