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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.

Audi TT Sportback Concept rounds out an icon

That German automakers seem singularly fixated on filling any white space between their models isn't new - the last decade-plus has seen their showrooms overflowing with niche models, some of which seemingly occupy sub-genres of sub-genres. To our eyes, there's often diminishing aesthetic and utilitarian returns to go along with the heightened price tags that accompany these models, but we're beginning to think Audi is tackling its personal diversity initiative best. Unlike the often heavy-handed designs from rivals (we're looking at you, BMW), Ingolstadt seems to be doing doing a more graceful job of carving out models between models. The latest proof of this is the TT Sportback Concept, just unveiled here at the Paris Motor Show.
After showing off its Allroad Shooting Brake Concept in Detroit and, more recently, in the Offroad Concept in Beijing amidst rumors of the TT sports car platform expanding into an entire family, we're not surprised to see this more utilitarian five-door hatchback showcar here in France. This, despite the fact that Audi already counts similarly proportioned A5 Sportback and A7 Sportback models in its lineup.
Of the TT line extension concepts, this Sportback certainly looks the most production ready, with a bare minimum of showcar tinsel masking realistic proportions and detailing. We think it's quite handsome from stem to stern, even if it's a bit familiar looking. The design incorporates Audi's trademark big-grille look with the TT's prominent arched roofline and heavily radiused fenders, along with a rear lighting graphic that subtly echoes the A3. Despite its leggy looks, the TT Sportback Concept is surprisingly compact, spanning less than a foot longer overall than the production 2016 TT despite its 4.7-inch longer wheelbase and extra set of doors. Those sleek looks come at least partially as the result of an overall height that sits 1.2 inches lower than the TT coupe.

2015 Audi A8 and S8 get some new goodies

Luxury car buyers are a demanding bunch. They've got this crazy notion that just because they're spending the better part of a hundred grand on a top-tier luxury sedan, they should get the very best and the cutting edge of what the industry has to offer. That has tended to come down to the S-Class even when it had grown long in the tooth, and now that Mercedes-Benz has rolled out an all-new version, the competition is falling all over itself to release updates to keep their flagship sedans in the running. Jaguar did that just yesterday with its XJ sedan, and now Audi has revealed the latest revisions to its A8 range.
Set to debut at the Frankfurt show in just a few weeks from now, the latest A8 (and its performance version, the S8) benefits from a series of stylistic, powertrain, and technology upgrades. Among the most prominent, of all things, are the new Matrix LED headlights that can automatically lower the high-beams for oncoming vehicles, with integrated turn signals that light up to point in the direction the driver's about to turn. But that's hardly the end of the story.
Audi has apparently reduced the output on the 3.0-liter supercharged V6 to from 328 horsepower to 310 but raised the 4.0-liter twin-turbo V8 from 414 hp to 435, which now offers a 0-60 run of just 4.5 seconds. That's just three tenths behind the S8, which remains unchanged at 513 hp, as does the 493-hp 6.3-liter W12. The 3.0-liter TDI is up from 247 hp to 258, the 4.2-liter TDI grows from 345 hp to at 385 (with a massive 627 pound-feet of torque to boot) and the hybrid that offers a combined 245 hp and 354 lb-ft. That makes for one massive array of engines globally, although only some of them will be offered Stateside. Each is mated to an eight-speed automatic transmission and Quattro all-wheel drive, but thanks to the A8's lightweight construction, it's lighter than any other all-wheel-drive model in its class.