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EPA suspected Fiat Chrysler of using 'defeat device' in 2015

U.S. regulators told Fiat Chrysler Automobiles in November 2015 that they suspected some of the automaker's vehicles were equipped with secret software allowing them to violate emission control standards, according to emails disclosed on Friday. The U.S. Environmental Protection Agency and California Air Resources Board accused Fiat Chrysler in January of using the software, known as a "defeat device," to illegally allow excess diesel emissions in 104,000 Jeep Grand Cherokees and Dodge Ram 1500 trucks built between 2014 and 2016. Byron Bunker, director of the EPA's Transportation and Air Quality compliance division, said in a January 2016 email to Fiat Chrysler, obtained by Reuters under the Freedom of Information Act, that he was "very concerned about the unacceptably slow pace" of the automaker's efforts to explain high nitrogen oxide emissions from some of its vehicles. Nitrogen oxide is linked to smog formation and respiratory problems. Bunker's email said the EPA had told Fiat Chrysler officials at a November 2015 meeting that at least one auxiliary emissions control device on the car maker's vehicles appeared to violate the agency's regulations. Mike Dahl, head of vehicle safety and regulatory compliance for Fiat Chrysler's U.S. unit, responded in a separate email that the company was working diligently and understood the EPA's concerns. He added that if the EPA identified Fiat Chrysler vehicles as containing defeat devices it would result in "potentially significant regulatory and commercial consequences." The documents redacted the vehicles named, but two officials briefed on the matter said they referred to diesel models. The EPA's November 2015 meeting with Fiat Chrysler came two months after Volkswagen AG, mired in a major tailpipe emissions scandal, admitted to installing secret defeat device software in hundreds of thousands of U.S. diesel cars to make them appear cleaner than they were on the road.

Ram bringing Rumble Bee Concept to Woodward

The 2013 Woodward Dream Cruise is taking place this weekend, and will see the arrival of over 1.5 million people and around 40,000 vehicles of seemingly every make in history. It's also a huge event for the manufacturers that call Detroit home, with Chevrolet setting up shop in Birmingham, Ford and its Mustang Alley locating itself in Ferndale and Chrysler hunkering down at 13 Mile in Royal Oak.
Ram will take advantage of the captive audience (if you think we're joking with the use of the term "captive," you've never tried to get off of Woodward during The Cruise) to show a new concept truck. And, judging from these teasers, it's going to be.. the Rumble Bee. In the past, Ram offered a Rumble Bee edition Ram 1500 that was mainly a styling treatment, but they were kinda cool trucks for those that wanted a muscle car but needed the room and utility of a big vehicle.
Details on the new Rumble Bee are scarce, but judging by the images seen here, it will sport bright yellow paint and a pair of large, black, five-spoke wheels wrapped in low-profile tires. The hood sports a set of hoodscoops for a bit more aggression, while the interior gets a reinterpreted dial shifter for the eight-speed automatic. We also see what may be a button to let a bit more rumble emanate from what we'd assume is a large Hemi engine underhood. Take a look at the gallery below to see both teaser images, and check back here for more as soon as we get it.

Car Club USA: Louisiana Mudfest

There's nothing quite like mudding. Big tires, huge power, and crazy-wild gearheads that like to throw down on a mud pit almost as much as a thirty rack of Coors. In the latest, and some might argue greatest yet episode of Car Club USA, we head to Louisiana to throw some dirt at Mudfest. As Louisiana's one and only Mouth of the South puts it, "If you don't mud ride... go to Texas I guess." Joining The Mouth and friendly rivals The Most Hated Mud Sluts, we dive in. Beyond the obvious V8 blasting and tractor-tire spinning, those who know best describe Mudfest as, "Good cooking, good friends, good fun, and a lot of partying." It's a motorsport spectacle unlike any you're likely to find up North or out West, though no less impressive to behold. Follow along with the fun, the impromptu drag racing, the trash talking, and the mechanical madness. And find out why, at Mudfest, "if we don't tear it up, we ain't done it right." Each Car Club USA episode features a different car club or event from across the US, where passionate owner communities gather to share automotive experiences and embark on incredible adventures. From Main Street cruises to off-road trails, catch all the latest car club activity on Autoblog. Chevrolet Ford Jeep RAM Truck Off-Road Vehicles Car Club USA Videos autoblog black