2005 Audi A6 3.2 Quattro on 2040-cars

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Audi moves to patent electric Quattro and active-shutter wheels

Audi might have a few tricks up its sleeve for the coming years, with the Brits at Autocar uncovering a pair of patent filings made by the German luxury brand. The first is something we've seen before - wheel flaps - while the second is an evolution of one of Audi's trademark technologies.
We last saw wheel flaps on the Ford Atlas Concept in 2013, but the futuristic fuel-saving tech has so far failed to arrive on a production car. Audi may be seeking to change that, patenting the flaps that open and close automagically based on airflow. They can also open if the brakes get too hot.
The second patent is an evolution of Audi's Quattro all-wheel drive. The new AWD system uses an electrically driven rear axle and wheel sensors to figure out when and at which corner the car might lose traction, and is targeted largely at hybrid offerings, which is a field Audi has only recently dipped its toe into.

Audi R8 bids adieu with the 570-hp Competition in LA

Audi is saying auf Wiedersehen to the first-gen R8 at the Los Angeles Auto Show in the best way possible - the even more powerful, limited edition 2015 R8 Competition. This might be the vehicle's swansong, but it's going out with a bang.
Audi is sending just 60 of these supercars to the US, and the heart and soul is a beefed up version of the 5.2-liter V10 from the V10 Plus model. The mill now makes 570 horsepower, a 20-hp boost, and is mated to a seven-speed, dual-clutch S Tronic gearbox. Audi claims that the potent package shoots the Competition to 60 miles per hour in 3.2 seconds and to a max speed of 199 mph.
The extra ponies might be enough for some, but Audi really wants to make the Competition something special. Matte carbon fiber pieces replace areas around the car, including the rear spoiler, side slides, front spoiler, rear diffuser and center console. For contrast, the wheels and exhaust pipes are painted in high-gloss black. Ceramic brake discs should be a useful aid with deceleration, too.

Audi unveils A3 Sportback G-Tron with bi-fuel power, 808-mile range

By this time next year, the Audi A3 Sportback will be offered with a variety fuel-efficient powertrains ranging from diesel to the all-electric E-Tron, but perhaps the most interesting is the all-new G-Tron model, which uses Audi's innovative carbon-natural compressed natural gas called e-gas. Previously called A3 TCNG, we first heard about this technology last year, but now Audi has confirmed that this low-emission, sustainable-fuel will debut by the end of this year on the A3 Sportback G-Tron.
To create this e-gas, a plant in Werlte, Germany uses electricity to split water into hydrogen and oxygen. As hydrogen fuel cell vehicles become more popular, Audi says that this process could also be used to produce hydrogen fuel, but to create CNG, it mixes the hydrogen with carbon dioxide to create "synthetic methane." Since it is identical to the CNG available today, Audi's e-gas can be shipped and stored using the existing CNG infrastructure. Making the whole process even greener, Audi obtains the CO2 for this process from a nearby biogas plant, which would otherwise be released into the atmosphere.
Differentiated from the regular versions of the A3, the G-Tron features a pair of tanks under the rear cargo floor holding 15.43 pounds of CNG, which can power the car for almost 250 miles. What's more, the A3's conventional gasoline tank is still in place, giving the car an addition 560 miles of range. In total, that means the A3 G-Tron has a driving range of more than 800 miles. To run on both CNG and gas, Audi made changes to the car's 1.4-liter four-cylinder engine (including the turbo, cylinder head and fuel injection system) and catalytic converter.