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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

Refreshed Audi A6 gets ready for Paris debut

The Audi A6 remains a solidly luxurious choice in the deeply competitive executive sedan segment, duking it out with the Mercedes-Benz E-Class, BMW 5 Series and Lexus GS, among others. Having been on sale since 2011, though, it's starting to become just a tiny bit stale. Cue the refresh.
Expected to make its debut in October at the 2014 Paris Motor Show, the long-roof Avant/Allroad variant shown here gives us our first glimpse at some of the tweaks Audi has in store for its A6 range as a whole.
In general, this is pretty standard refresh stuff - new headlights that retain the same general shape as the current car but add a new DRL pattern, while there are also some subtle tweaks to the front fascia. The rear taillights have also been freshened (although as only the A6 sedan is sold in the US, it's likely the taillights we see will be different), and some minor changes have been made to the rear bumper. According to our spies, the cabin and MMI infotainment system could see some tweaks, while the oily bits under the hood could be in for for some minor changes as well.

VW adding particulate filters to gas engines

Volkswagen is working hard to overcome the PR disaster that is its diesel emissions scandal, and part of its efforts is focusing, weirdly, on petrol engines. Starting in June 2017, the embattled German automaker will add particulate filters to the gas-powered Volkswagen Tiguan and Audi A5. The change will eventually impact nearly every direct-injected gas engine the VW Group makes. Audi? Particulate filter. Seat? Particulate filter. Even Bentley is going to get the tech, all in a bid to reduce soot emissions by 90 percent. In fact, by 2022 VAG expects 7 million of its vehicles to boast the emissions-cleaning tech, which has long been a fixture on diesel engines. "Following increases in efficiency and lower CO2 output, we are now bringing about a sustained reduction in the emission levels of our modern petrol engines by fitting particulate filters as standard," Volkswagen Group research and design boss Dr. Ulrich Eichhorn said in a statement. "In the future, all models will be equipped with the latest and most efficient SCR catalytic converter technology." VW's initial rollout focuses on the 1.4-liter, turbocharged Tiguan and the 2.0-liter, turbocharged A5. Considering the popularity of the 2.0-liter across the VW range, we'd expect it's only a matter of time before VW expands its particulate filters tech to additional gas-powered vehicles. Related Video: