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2015 Audi RS5 Coupe Sport is one of 75

Audi has released a new limited edition of its V8-powered RS5, with the 2015 Sport edition. Limited to just 75 units and designed by the German manufacturers Exclusive customization team, the stylish RS5 starts at $87,575. That's nearly $17,000 more than the standard RS5, although you might struggle to see why. The Sport adds beautiful 20-inch 5-V-spke wheels, along with plenty of nice leatherwork in the cabin. That includes the black-and-Crimson-Red Nappa leather seats, which feature an embossed RS logo in the seatback, as well as Crimson Red leather door inserts. Contrast stitching in the leather-wrapped wheel and shifter boot match the shade on the seats and door inserts. Audi will paint the limited-edition RS5 in either Daytona Gray or Nardo Gray for no charge or, if you're willing to pay a bit more, you can chose from one of the shades from the manufacturer's Exclusive catalog. There's no mention of how much these custom hues will cost, though. Beyond that, the RS5 Sport is the same thumper that's been on sale for several years, with a 4.2-liter, 450-horsepower V8 under the hood and a seven-speed, S-Tronic transmission dispatching power to a Quattro all-wheel-drive system. Featured Gallery 2015 Audi RS5 Sport View 9 Photos News Source: Audi Audi Coupe Luxury Performance

Audi creates new diesel fuel from carbon dioxide and water

What if you could power cars of the future with pollution created by the cars of the past? That's what German automaker Audi is hoping to achieve by creating a new synthetic fuel using renewable energy to turn water and carbon dioxide gas into a new kind of fuel they call "e-diesel." The new diesel is being produced at Audi's pilot plant Sunfire in Dresden, Germany. Only a few gallons were created, which the German Federal Minister of Education and Research Johanna Wanka put into her Audi A8 to prove the fuel's bonafides. The base fuel is known as "blue crude" and begins from a green source. Audi uses electricity from wind, water or solar power sources to separate hydrogen from oxygen in water. The hydrogen is then mixed with carbon dioxide which has been converted in carbon oxide. The blue crude is then further refined to create the e-diesel. The carbon dioxide is currently supplied by a biogas facilities, but some of that CO2 was captured from the air. "The engine runs quieter and fewer pollutants are being created," says Sunfire CTO Christian von Olshausen. The fuel can be combined with conventional diesel fuel, as biodiesel fuels already and would be competitively priced against regular diesel, according to Gizmag. Sunfire can produce about 42 gallons of e-diesel a day. That seems like barely a drop in the bucket in terms of Europe's energy use, but Audi is ready to commercialize the technology with plans to expand production with a bigger facility in the future.

Audi tops Consumer Reports' brand rankings while Tesla leads domestics at eighth

Tesla supplanted General Motors' Buick division as the top-ranked US automaker in Consumer Reports annual brand rankings, though the electric-vehicle maker finished eighth among global automakers. Buick had finished atop CR's domestic car-brand list for three years before Tesla leapfrogged it. Scores were calculated from a combination of performance, owner satisfaction, and reliability. CR noted that Buick scored big on reliability but not so high on performance, while Tesla appeared to present the opposite case. Volkswagen's Audi division repeated as the best overall brand for the second straight year, beating out VW's Porsche unit, BMW, Toyota's Lexus division, and Subaru. Kia and Mazda followed those brands, while Honda finished ninth, between Tesla and Buick. Consumer Reports took results from 31 brands. Reliability issues related to the Toyota Tacoma helped drop that Japanese automaker out of the top 10. Take a look at CR's results for its Annual Brand Report Card here. That Tesla, Audi, and Porsche placed so high is topical, given some of the issues plaguing those automakers. Audi, Porsche, and their parent VW have been coping with the effects of the diesel-emissions scandal that broke back in 2015. The scandal has cost Europe's largest automaker billions of dollars, and forced VW to put a stop-sale on diesel-powered cars in the US in late 2015. And while the Tesla Model S improved from the "worse-than-average" label CR gave it in its 2015 Annual Auto Reliability Survey, the problematic falcon-wing doors on the Tesla Model X SUV pulled that model's reliability scores lower last year. Additionally, the Model X's climate-control system and door locks have also caused issues. Toyota and Lexus finished atop CR's reliability rankings last year. Related Video: