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11 vehicles from Barrett-Jackson Las Vegas worth watching

This weekend will see the world's collector car crowds descend on Las Vegas, NV for one of the biggest shows on Barrett-Jackson's popular auction circuit. There are hundreds of vehicles up for bidding, ranging from a brand-new Lamborghini Aventador to a spattering of Art Deco classics and a huge swath of classic muscle cars.
While it's virtually impossible to assemble an inarguable list of the best cars coming during the three-day, 700-plus vehicle auction, we've sifted through the listings for this year's show - it was a tough assignment, we promise - and assembled a list of what we think will be some of the most interesting lots. We'll admit, it's a bit heavy on American iron, but if you browse BJ's listings, you'll come to a similar conclusion. Still, scroll down for our list of what we think will be the most interesting vehicles at the upcoming auction.

Chrysler says its 8-speed transmissions will save 700 million gallons

Chrysler Group's TorqueFlite eight-speed transmission could be earning some serious green bragging rights if the company's projections are correct. The recently widely proliferated automatic gearbox, which is now in more than a million vehicles around the world, is poised to save drivers an estimated 700+ million gallons of fuel over the vehicles' lifetimes (an expected cost savings of $2.5 billion). In addition, Chrysler expects a reduction in CO2 emissions by more than six million metric tons. According to Chrysler, and depending on the vehicle, the TorqueFlite can improve fuel economy. The TorqueFlite autobox features particularly close ratios from fifth to eighth gear (see the press release below for the specific numbers), and uses low-viscosity fluid that doesn't need to be replaced. Transmission software adapts to the driving situation to optimize efficiency based on driver behavior, temperature, grade, stability control, and longitudinal and lateral acceleration. The TorqueFlite is capable of handling a variety of duties. As evidenced by the wide range of vehicles Chrysler Group has seen fit to equip with the eight-speed transmission, the TorqueFlite is capable of handling a variety of duties. Since its 2012 introduction, the TorqueFlite has gone from performing cog-swapping duties in Dodge Charger and Chrysler 300 models equipped with the 3.6-liter Pentastar V6 to changing gears in vehicles such as the Pentastar- and Hemi-powered Dodge Durango, Jeep Grand Cherokee and even the Ram 1500 EcoDiesel. For the 2015 model year, the eight-speed is finding its way into even more vehicles with the addition of a third version. In addition to the American-made TorqueFlite 845RE and 8HP70, the new 8HP90 will be manufactured in Saarbrucken, Germany. The 8HP90 is designed for higher torque loads, making it ideal for high-performance vehicles like the 2015 Dodge Challenger SRT Hellcat. The already-in-use 8HP70 will expand its duties to be used in 2015 Hemi models such as the Dodge Charger, Challenger, and Challenger SRT8. You can see the list of those benchmarks in Chrysler's press release below.

NHTSA is investigating FCA shifters for roll-away accidents again, this time the rotary units

It seems FCA's shifter troubles aren't over yet. Now, just a few months after issuing a recall to resolve user-related issues with its monostable shifters, the company is again under investigation by NHTSA. The issue is related to the potential for cars to roll away when the rotary-style shifter is not properly placed in park. Two FCA models are the subject of this investigation: the 2013–2016 Ram 1500 and the 2014–2016 Dodge Durango. NHTSA estimates about 1,000,000 vehicles would be affected if a recall is issued. The investigation was started following 43 complaints of vehicles rolling away while supposedly being in "park." Among the complaints were reports of 25 crashes and 9 injuries. NHTSA does point out that in every incident, the parking brake was not engaged. A representative from FCA also gave us an official statement regarding the investigation: "FCA US is cooperating fully with NHTSA's investigation, the scope of which is limited. Other vehicles equipped with rotary shifters are not included. In accordance with prudent practice, the Company joins NHTSA in urging all drivers to use their vehicles' parking brakes." View 35 Photos As mentioned above, other Chrysler products with rotary shifters, such as the Pacifica minivan and 200 sedan, are not involved in this investigation. One of the key differences, as the representative told us, is that these vehicles have electronic parking brakes that automatically engage if the driver does not select park and then opens the door with the seatbelt unbuckled. The Ram 1500 and Durango feature mechanical, manually operated parking brakes and therefore cannot activate the brake automatically. Because this is currently an investigation, an exact cause for the incidents has yet to be determined, and none of the vehicles have been recalled. It's possible there could be a mechanical defect. However, the issue could be a confusing interface causing user error, as was the case with FCA's monostable shifters, where drivers think they've put the car in park but actually haven't. Something that indicates it could be a case of confused users is that NHTSA also opened an investigation into 2012–2014 Jaguar XF and Land Rover Range Rover Evoques for similar issues. Both vehicles use a rotary shifter and have had roll-away complaints levied as well. Even if it is a case of user error, FCA and Jaguar Land Rover may still have to recall their vehicles.