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Is Buick's surprise Detroit concept a Camaro-sized coupe?

Tomorrow night marks the unofficial start of the 2016 Detroit Auto Show. Keep your eyes peeled for a number of reveals, including a surprise debut from Buick. Yes, Buick. And we think it's going to be something really hot. According to a report from Bloomberg, the Tri-Shield's secret car could be a Camaro-sized sport coupe concept. As Bloomberg explains, it'd certainly gel with the impression the company is trying to put out – that it's no longer a brand for those with one foot in the grave. Introducing a sports coupe, even as a concept, could certainly reinforce that message. And if it happens to make production – which is not a certainty, Bloomberg's secret source says – it could certainly help Buick drive its average buyer age down from 59. Bloomberg doesn't offer any speculation on Buick's new coupe, but we have no problem making educated guesses. Our most reliable conjecture is this: it will ride on General Motors' Alpha platform, which underpins both the Camaro and the Cadillac ATS. And with a certain twin-turbocharged V6 in the GM stable, we've got an idea of what kind of engine could be shown. That speculation will have to suffice for now. But don't worry, we'll have official details, live images, and video tomorrow when Buick unveils its new concept in Detroit's Eastern Market.

GM is the latest automaker accused of diesel emissions cheating

Volkswagen and Ram need to make room on the diesel-emissions bench for General Motors. America's largest automaker was accused in a lawsuit on Thursday of rigging hundreds of thousands of diesel trucks with at least three so-called defeat devices to ensure that the trucks would meet federal and state emission standards, even if they generated more pollution in real-world driving. According to the complaint, on-road emissions testing conducted for the plaintiffs found that Duramax-equipped trucks produced NOx pollutants, comprised of nitrogen and oxygen atoms, two to five times higher than legally permitted, and "many times" higher than their gasoline counterparts. The proposed class-action lawsuit was filed in federal court in Detroit on behalf of people who own or lease more than 705,000 Chevrolet Silverado and GMC Sierra pickup trucks fitted with "Duramax" engines from 2011 to 2016 model years. The lawsuit seeks remedies including possible refunds or restitution for lost vehicle value, plus punitive damages. It adds to legal problems for Detroit-based GM, which has already paid about $2.5 billion in penalties and settlements over faulty ignition switches linked to 124 deaths. GM joins at least five automakers whose diesel emissions have been scrutinized by regulators or consumers. They include VW, which has admitted to cheating; Mercedes-Benz parent Daimler; Fiat Chrysler Automobiles, Peugeot and Renault. GM spokesman Dan Flores called the claims "baseless," and said the trucks comply with US Environmental Protection Agency emissions standards and California's own tough standards. Shares of GM were down 69 cents, or 2.1 percent, at $32.50 in afternoon trading, after earlier falling to $31.93. The GM lawsuit was filed by several law firms, including Hagens Berman Sobol Shapiro, which helped reach multibillion-dollar settlements with VW on behalf of drivers and dealers. The case is Fenner et al v General Motors LLC et al, US District Court, Eastern District of Michigan, No. 17-11661. The named plaintiffs are Andrei Fenner of Mountain View, California and Joshua Herman of Sulphur, Louisiana. They said they would not have bought their respective 2011 Sierra and 2016 Silverado trucks, or would have paid less for them, had they known about the alleged rigging. Joseph Spak, an RBC Capital Markets analyst, in a research report said "negative publicity" from the lawsuit could drive buyers to trucks from Ford or even Fiat Chrysler's Ram.

2018 Woodward Dream Cruise: What to know and where to go

If there's anything that proves Detroit's motor-oil-in-the-veins, gearhead bonafides, it's the annual Woodward Dream Cruise, which will bring an anticipated 1.5 million or so people from near and far, plus tens of thousands of classic and custom and just plain weird cars, to a 16-mile portion of Woodward Avenue on Saturday for the 24th year. Loved by gearheads, collectors and the merely curious, who see it as the Motor City's version of Mardi Gras, and loathed by others, who deride it as the world's largest traffic jam, the Dream Cruise is nothing if not an explosion for the senses. What will you see there? Well, as Autoblog Managing Editor Greg Rasa put it last year, "There are historic cars. And works of art. Some are worth vast sums of money, and some are rat rods and rust buckets. And some are bizarre creations that make you ask, 'What were they thinking?'" A few things are certain: You will see many incredible automobiles. There will be plenty of T-shirts and other merch, official and not-so-much. It will be crowded, and probably hot. The Cruise will officially go from 9 a.m. to 9 p.m., though of course cruisers have been out already for weeks. And there are plenty of attractions, both on and off the pavement of Woodward. Tony Michaels, the Dream Cruise's executive director, said the event is special for the Detroit region. "Together we celebrate the automobile and what it has meant to us," he told Autoblog. "To see the these fantastic vehicles and the proud owners says so much about who we are and our pride. "People should take it in to see history running 16 miles down Woodward Avenue and to be a part of the greatest automobile event in America." Ford is once again serving as the Dream Cruise presenting sponsor and will hold the 20th anniversary of the Mustang Alley at the corner of Nine Mile and Woodward in Ferndale, where it expects as many as 1,000 Mustangs to line up. It will also show off its lineage of trucks at 13 Mile, along with several performance vehicles at Duggan's Irish Pub at 31501 Woodward in Royal Oak. The company on Thursday unveiled the 2018 Mustang Cobra Jet drag car to celebrate the nameplate's 50th anniversary. Just 68 examples are planned of the $130,000 limited-edition model Other Ford activities include: Sales of tickets for a raffle of a one-off Kona Blue Mustang Bullitt, starting at the media clubhouse at 2 p.m. Friday. The raffle itself takes place in November and will support juvenile diabetes research.