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Hennessey's Dodge Challenger Hellcat cranks out 1,032 hp

Enthusiasts know the Dodge Challenger Hellcat produces 707 horsepower. It's one of the modern muscle-car era's iconic numbers. But for some, that's not enough. Enter Hennessey Performance. The Texas tuners loaded the Hellcat with a twin-turbocharger that works with Dodge's supercharger to boost output to 1,032 hp and 987 pound-feet of torque. Yes, that's an engine dyno rating, not at the rear wheels, but still! It's a little more complicated than a bolt-on booster. Called the HPE1000, the turbo kit has stainless steel headers and down pipes, billet aluminum compressor wheels, and a high-flow air system. There's also an an improved fuel pump, and the engine and chassis are specially calibrated. You also get numbered plaques signed by John Hennessey himself and the engine tech who builds your mill. All of this helps get your Hellcat to 60 miles per hour in 2.7 seconds, and it can do the quarter mile in 9.9 seconds at 142 mph. The Hellcat and it's 6.2-liter blown Hemi V8 are not for the faint of heart. Hennessey makes this Dodge downright demonic. Related Video: Related Gallery 2015 Dodge Challenger SRT Hellcat View 23 Photos Image Credit: Hennessey Performance Dodge Coupe Performance

Dodge Viper plant will close for good Aug. 31

It has been a long time coming, an end rumored since at least 2015, but after 25 years, the Dodge Viper's demise is nigh. Production of the $90,000 bespoke sports car is ending. Therefore, FCA will be shutting down its Conner Assembly Plant on Aug. 31. Automotive News reports that the Detroit plant will be shutting down. The car has been hand-built there since 1995, save for a hiatus in 2010-13 (production began at FCA's Mack Plant in 1992). The Prowler was built there, too, from 1997 to 2002. More than 80 workers currently build the Viper, making Conner FCA's smallest assembly facility. But not many Vipers are sold - 630 last year - despite an enthusiastic following. And of course FCA's own 707-horsepower Dodge Challenger and Charger SRT Hellcats and new 840-horsepower Challenger SRT Demon can't help matters. But the last straw is the fact the Viper can't comply with new safety requirements going into effect. On the bright side, the UAW has seen the plant closure coming since 2015, and FCA has told the state of Michigan that it expects to find positions at other plants for the Viper crew. FCA has been celebrating the Viper valedictory for a couple of years now, offering serialized special editions, including the $121,000 Viper ACR, and touting the ability to build unique Vipers with its "1 of 1" customization program, with a choice of 16,000 unique paint colors and 48,000 unique stripe combinations. Related Video:

Weekly Recap: Toyota propels hydrogen fuel cells

Toyota is serious about hydrogen fuel cells, and it wants the auto industry to follow suit. The Japanese automaker said this week it's releasing 5,680 fuel cell patents from around the world, including technologies used on its upcoming sedan, the 2016 Mirai. The move is unusual, but not unprecedented, as Tesla similarly released its electric vehicle patents last year. The idea for Tesla, and now for Toyota, is to spur development of alternative propulsion. "By eliminating traditional corporate boundaries, we can speed the development of new technologies and move into the future of mobility more quickly, effectively and economically," said Bob Carter, Toyota Motor Sales senior vice president of automotive operations, in a statement. Toyota's fuel cell patents will be free to use through 2020, though patents related to producing and selling hydrogen will remain open forever. Toyota said it would like companies that use its patents to share their own hydrogen patents, but won't require it. "What Toyota's doing is really a logical move, and really a good move for the industry," Devin Lindsay, principal powertrain analyst with IHS Automotive, told Autoblog. The announcement was made at the Consumer Electronics Show in Las Vegas. It comes as Toyota prepares to launch the hydrogen-powered Mirai in a limited number late this year in California. The launch will be extended to the Northeastern United States next year. Toyota also has announced plans to support networks of fueling stations in each region to try to smooth consumer adoption. The Mirai has a 300-mile range on a tank of hydrogen, and it takes about five minutes to refill. Fuel cells have been receiving increased attention recently, and Audi and Volkswagen debuted hydrogen-powered cars at the 2014 Los Angeles Auto Show. Honda, another proponent of the technology, also showed its updated FCV concept in November in Japan. The company, however, has delayed its fuel cell sedan a year until 2016. Like Toyota, Honda says its hydrogen-powered car will have a range of 300 miles or more. Meanwhile, Hyundai currently offers leases for fuel-cell powered Tucsons, which have a 265-mile range, in Southern California. Despite the optimism some automakers have for fuel cells, the technology still faces barriers. A lack of filling stations has long held it back, and many consumers are not familiar with the potential benefits.