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Audi getting ready for an entire line-up of PHEV models

Despite years of researching any number of standard ICE alternatives, it's becoming clear that different automakers are starting to throw their weight behind their advanced-powertrain technologies of choice. For instance, Toyota is gearing up for its first production hydrogen fuel-cell vehicle next year. Nissan continues to preach the gospel of the battery-electric engine. For Audi, plug-in hybrids appear to be the way to go. The German automaker plans to have a plug-in hybrid version of every one of its models by the end of the decade, UK's Autocar reports, citing comments Audi research and development head Ulrich Hackenberg made at a recent launch event for the A3 Sportback E-Tron. Hackenberg spelled out two variants of the powertrain, including one front-wheel drive version that pairs an electric motor with a 1.4-liter gas engine (this is the version used in the A3), and another to be used for four-wheel-drive vehicles in which an electric motor drives the rear wheels. We couldn't get more information from Audi representatives here on the A3 Sportback E-Tron launch ourselves, and an Audi spokesperson said in an e-mail to AutoblogGreen that the company wasn't commenting further on its plans for plug-in hybrid powertrains in more models. Audi has started pre-sales of the A3 Sportback E-Tron in Germany, pricing the car at about $51,000 with deliveries to start sometime this winter. The vehicle puts out 204 horsepower and can go as far as 31 miles on electric power alone. An exact date has not been set for importing that plug-in to the US, but it will happen some time next year.

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.

2015 Rolex 24 at Daytona gallery of Saturday afternoon and night racing

The 2015 Rolex 24 at Daytona only has a little under five hours left to run and we won't write anything in here to spoil it. Instead, we're just going to leave you with a gallery of 169 photos from the Saturday afternoon and overnight action before we come back with a race recap. Enjoy! Featured Gallery 2015 Rolex 24 at Daytona mid-race action View 169 Photos Image Credit: Copyright 2015 Jonathon Ramsey / AOL Motorsports Audi Racing Vehicles daytona night race