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Audi traffic light recognition could save 240 million gallons of fuel [UPDATE]

Any hypermiler will tell you that the way you drive your car has a huge impact on how much energy it uses. But these greenfoot drivers haven't had a car that's smart enough to tell them about the inner lives of traffic lights. That's what a prototype system in an Audi A6 Saloon that the German automaker recently tested in Las Vegas can do. Since the car can communicate with local traffic signals and is able to predict when lights will change, the car can help reduce CO2 emissions by up to 15 percent. Further, Audi says that the system could save some 238 million gallons of fuel (900 million liters), if deployed across Germany. We can only imagine what hypermilers could do with this. We got to drive the Audi Online traffic light information system prototype in January, but we focused more on how the system worked rather than the green aspect. Now that Audi has had a bit more time to crunch the numbers, it has released fuel economy information for the connected car. The key points for the eco-side of things are that the driver is told in the dashboard how fast/slow to go to hit the next green light. This can help prevent unnecessary speeding and or encourage drivers to go a bit faster in order to hit the green, thus preventing idling and wasted time. The system is too smart to let you idle for long. Except that Audi Online is too smart to let you idle for long. The Audi connect system can calculate how much longer the light will be red and can access the car's start-stop capabilities and will fire up the engine "five seconds before the green phase." That seems like an awful long time in a world where competitors have figured out ways to restart an engine in 0.35 seconds. We've asked Audi for an explanation on why this buffer is so lengthy, and will let you know what the reasoning is when we hear back. Despite the trials in the A6, Audi says the Audi Online traffic system could be integrated into any Audi model, "subject to the necessary government legislation." Aside from the Sin City tests, Audi is running trials of the connected car in Verona, Italy and Berlin, Germany. If you'd like to test it out yourself some day, take heart from this line in the press release, available below: "A market launch is currently the subject of intense analysis in the United States." *UPDATE: Audi's Mark Dahncke told AutoblogGreen that the five second window is meant, "To alert the driver that the light is about to turn green.

Audi SQ7 spied for the first time

Audi isn't really hiding that its engineers are hard at work on a high-performance version of the latest Q7. However, we haven't seen any of the fruits of this labor, until we got these fresh spy shots of the SQ7. With seemingly no camouflage on the car, these photos might give a very good idea of what to expect from Audi's speedy SUV. One big tip-off of the model's performance aspirations is the redesign of the front end's lower portion. New ducts beside the foglights send cool air to what appear to be intercoolers. This test model rides on a very cool-looking set of basket-weave style wheels, and the big, cross-drilled brakes are easy to spot behind them. At the rear, the quad exhaust tips also signal something special. Our spies also snapped some shots of the interior. If there is any question about whether this is the SQ7, these photos certainly assuage it. The badging is plain as day on the gauges, but at this point the changes appear to be fairly minimal beyond that. We know the SQ7 is going to get more power, but the method isn't officially confirmed yet. Although, Audi technical boss Dr. Ulrich Hackenberg said bluntly last year that it would use an electrically turbocharged engine, possibly an evolution of the V6 diesel in the RS5 TDI Concept. Hackenberg also suggested that the SQ7 would go on sale in 2016. Though, the actual debut might come earlier. Regardless, the tweaks should make the SUV quite a performer. Even on the standard version, it weighs 700 pounds less than the previous generation, while remaining about the same size.

Next Audi R8 to be up to 130 pounds lighter

"Simplify and add lightness," as Lotus founder Colin Chapman said. In a world where even supercars are subject to environmental, efficiency and emissions standards, lighter vehicles are being looked on as a sort of panacea - make it lighter, and it's automatically faster, more agile, easier to brake and better on gas.
Knowing this, it comes as no shock that Audi is looking at ways to lighten up its next-generation R8, with the brand's head of technical development Ulrich Hackenberg targeting a 110- to 130-pound diet for the mid-engine rocket. This supports previous reports regarding the focus for the next R8. Motor Trend reports that aluminum and carbon fiber feature heavily in plans for the next R8, which should go a long way toward slimming down even the lightest of R8s, the 3,678-pound V10 Plus model.
There's more over at Motor Trend, including the buff book's attempts to get Hackenberg to discuss powertrain options for the next R8.