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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.

2016 Audi S6 Quick Spin [w/video]

Back in my salad days, when I was rocking a the greatest Civic Si of all time, the occasional pair of leather pants, and a yen for malt liquor and grass (both of which quickly put an end to the leather pants), a car like the 2016 Audi S6 would've made my head explode. "What's that?" I might have asked. "A roomy four-seat Audi with more than 400 horsepower and all-wheel drive, that looks like it was sculpted by Ralph McQuarrie? Pushing 30 mpg and under five seconds to 60 miles per hour? The hell you say." And that's even before Future Me showed Skinny Me an interior full of carbon fiber and aluminum, God's own quilted-leather sport buckets, and a 'radio' that would've made my Dreamcast look like an Atari 6400. (If you haven't picked up on the vibe yet, I was kind of a weird nerd in the late '90s.) Gentlemen, we live in the future; I just drove a mid-cycle-refresh Audi that proves it. Driving Notes The 4.0-liter, turbocharged V8 is tailor-made for smoothly pulling around anything less-well-endowed than the M5/E63/CTS-V set. Now up to 450 horsepower and 406 pound-feet of torque (versus the 420 hp and 406 lb-ft of last year's model), there's enough pull in the easily accessible powerband to satisfy all but lunatic drivers. It doesn't feel staggeringly fast, but that's only because 500 horsepower has become so commonplace in the new uber sedan game. It's quick enough. Remember when 250 hp was a crazy number? The car sounds like it has a V8, too. That may seem obvious, but in Generation Direct Injection things tend to get a bit clattery. You'll get some of that if you open the hood with the engine running (as I did in one of the Short Cuts above), but none where it counts: behind the wheel, windows up, stereo down, foot to the floor. That recipe delivers a hushed, baritone-sung song about understatement. Less subtle is the braking force when used at or near the top of its ability. After a moment of surprise and delight while decelerating in normal traffic, I went back-road hunting to test a few pseudo panic stops. Vented 15.7-inch front discs, with 14-inchers in the rear, provided a fast and steady haul-down from 70 miles per hour. Remember when wheels were 15 inches? I mean, you need those big brakes and potent engines to move and stop a car this hefty. With a base weight of 4,486 pounds – no doubt heavier still in my loaded, Dutchman-driven example – it still kind of blows my mind to see the 27-miles-per-gallon highway number.

2013 Audi RS6 Avant hauls ass and then some

Holy moly. Despite the fact that Audi first released details on its 2013 RS6 Avant back in December, we're still just as smitten with it now as we were a couple months ago. And why wouldn't we be? This stunning piece of forbidden fruit combines two of our favorite things: fast Audis and useful wagons.
The meat and potatoes behind the RS6 Avant is its twin-turbocharged 4.0-liter V8, tuned to crank out 560 horsepower and 516 pound-feet of torque. Mated to an eight-speed automatic transmission, the all-wheel-drive wagon can scoot to 60 miles per hour in just 3.9 seconds, on its way to a top speed of 155 mph. Opting for the Dynamic package ups that v-max to 174 mph, and selecting the Dynamic Plus pack increases that even further to 190 mph.
This RS6 Avant certainly looks the part of an extreme ass-hauler, fitted with the usual RS-spec gaping air intakes, 21-inch wheels, sport exhaust and carbon fiber ceramic brakes. Combine all that goodness with dynamic ride control, an adaptive air suspension and torque-vectoring Quattro all-wheel drive, and we have no doubt that this thing will scare off every other station wagon in the parking lot. (Well, except maybe that Mercedes-Benz E63 AMG. Woof.)