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2015 Dodge Challenger looks fresh, still plenty retro [w/video]

It was the Ford Mustang that kicked off the retro-styled muscle car renaissance back in 2005, but it was the Dodge Challenger that served as the movement's poster child, with its unabashedly retro looks. Over the years, though, as the Mustang and the Chevrolet Camaro were freshened and upgraded, the look of the big Dodge has remained largely consistent since its 2008 debut. For 2015, the Challenger has received a big freshening, boasting strongly revised front and rear ends and (finally, finally, finally) a redesigned interior.
Let's talk about that new cabin first. It's basically been plucked directly from the redesigned Charger, and boasts the same seven-inch IP display. The center stack's miserable, last-gen display has been replaced by an expansive, 8.4-inch UConnect system. Material quality should see a solid boost with the new cabin, as well.
The exterior, meanwhile, sees a revised front fascia with LED halo lights, as well as new grille inserts. A functional shaker hood scoop is a must-have extra on the V8 models, while the back of the car is highlighted by a new set of LED taillights that don't use the "Racetrack" design of Dodge's other models.

Diesel Power finds the ultimate modified oil-burner

For nine years, Diesel Power magazine has run the Diesel Power Challenge, this year's grindfest being "a week-long torture test that features seven events, nine trucks, 8,000 horsepower, and nearly 15,000 pound-feet of torque." The road to being crowned "the most powerful truck" starts with a dyno run, and then continues through the completion of a CDL-style obstacle course, an eighth-of-a-mile drag race while towing a 10,000-pound trailer, a quarter-mile drag race without a trailer, a fuel economy test in the mountains and finally a sled-pulling test through a 300-foot-long packed-mud pit.
What kind of trucks get into such a fight? Last year's winner, for instance - who upgraded his truck this year to prove he didn't "luck into the win" - drives a 2008 Ford F-250 Super Duty with a 6.4-liter Power Stroke V8 upgraded with a custom intake, Elite Diesel triple turbos and a two-stage nitrous system. Another competitor has a 2005 Dodge Ram 2500 powered by a 5.9-liter Cummins inline-six, upgraded with Garrett turbos, dual-stage nitrous, a seven-inch exhaust stack and twin fans built into the bed to cool the Sun Coast Omega transmission. The numbers on that truck: 1,255 horsepower, and 2,063 pound-feet of torque at the wheels. Naturally, as the image above might suggest, things don't always end well.
You'll find all five videos covering this years challenge below. A scene in the dyno video sums it all up perfectly: a competitor leaves his nitrous on too long and the crew is treated to some ominous poppings, he leans out the window, throws both hands up and shouts, "Amer'ca!"

40+ cars that barely avoid the gas guzzler tax

The Gas Guzzler schedule, with mpg ratings and charges that haven't changed since 1991, lays out which fuel-swillers owe what to Uncle Sam.
I started thinking about the "Gas Guzzler Tax" - considerably less well known as The Energy Tax Act of 1978 - when I was driving Dodge's new Challenger SRT Hellcat last week. Unsurprisingly for a car that can burn 1.5 gallons of gas per minute at max tilt, theoretically able to empty a full tank of premium in about 13 minutes, the Hellcat will be subject to the Gas Guzzler Tax schedule when it goes on sale.