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Submit your questions for Autoblog Podcast #317 LIVE!

We record Autoblog Podcast #317 tonight, and you can drop us your questions and comments regarding the rest of the week's news via our Q&A module below. Subscribe to the Autoblog Podcast in iTunes if you haven't already done so, and if you want to take it all in live, tune in to our UStream (audio only) channel at 10:00 PM Eastern tonight.
Discussion Topics for Autoblog Podcast Episode #317
Mitsubishi Mirage

Are old airbags killers?

Takata airbags may not be the only ones with some very serious problems. A new report from TheDetroitBureau.com claims that the National Highway Traffic Safety Administration has opened its second investigation into bad airbag inflators, and this time, they aren't from Takata. The focus of this latest case is on the airbag inflators in some 500,000 older Chrysler Town and Country minivans and Kia Optima sedans, all of which come from ARC Automotive. While the Takata case looks at problems stemming from the engineering and production process, the ARC investigation focuses on the age of the inflators. As TDB explains, airbag inflators are essentially what the military refers to as shaped charges, sort of like Claymores (for fans of the Call of Duty series). In combat, they blow up in a specific direction, protecting those behind the explosion, although in the case of airbags, the explosion "[creates] a precise rush of hot gases" that inflate the bags. NHTSA's worry is that with the increased average age of today's vehicles, years and years of being bounced, jolted, and shaken about and exposed to often-radical temperature changes have altered the nature of the explosives in these vehicles, causing too big of an explosion. "It may be a reasonable assumption that as these things age they deteriorate." – Analyst George Peterson "It may be a reasonable assumption that as these things age they deteriorate," analyst George Peterson told TheDetroitBureau.com. NHTSA boss Mark Rosekind backed up aging angle. "Cars are lasting on the road a lot longer than ever before," Rosekind told TDB, adding that seals could start breaking down. "Is aging now an issue? That's part of the investigation going on." NHTSA has only identified two "incidents" so far, although according to Center for Auto Safety Director Clarence Ditlow, there's genuine concern that there could be additional unidentified cases. "Could we have missed more? That could be the case," Ditlow told TDB, citing the misidentified deaths in the Takata investigation. Ditlow was quick to point out that, even in older vehicles, airbags are much more likely to protect than harm. "No one is saying you should disable your airbags," the safety advocate told TDB. "You're far more likely to be helped than hurt by one if they go off." At least one automaker, meanwhile, has already been advised of the investigation by NHTSA and is checking its airbags.

2017 Hyundai Elantra arrives with a host of upgrades [w/video]

We got a great idea of the 2017 Hyundai Elantra's styling when the company revealed it for the South Korean market a few months ago. Now, the US-spec car arrives at the LA Auto Show. The shape is just as expected, but Hyundai has new powertrains and tech in store, too. Hyundai designers simplified the Elantra's look for the latest generation. The sedan's nose now flows down to a hexagonal grille with horizontal slats, and squinting headlights flank it on each side with vertical LED running lights underneath. The new lower air dam leads air to wheel curtains that help lower wind resistance. The profile lacks the heavy sculpting of the current model, but a subtle character line sweeps up across the side for some visual interest. Narrow taillights stretch horizontally across the trunk. Even with the aesthetic changes, the overall size only expands slightly: length grows 0.8 inches to 179.9 inches, width increases an inch to 70.9 inches, and the wheelbase remains 106.3 inches. The interior features a more horizontal layout with metallic trim that runs across the dashboard. There are two infotainment choices beyond the base stereo. A seven-inch Display Audio system includes a rearview camera, and an eight-inch setup also has navigation. Both support Android Auto. Most trims of the 2017 Elantra feature a 2.0-liter four-cylinder that runs on the Atkinson cycle, and it produces an estimated 147 horsepower and 132 pound-feet of torque. Hyundai expects fuel economy ratings of 29 miles per gallon city, 38 mpg highway, and 33 mpg combined with the six-speed automatic. The company also offers a six-speed manual only on the SE trim. The Elantra Eco arrives in spring 2016 with a 1.4-liter turbocharged four cylinder with 128 hp and 156 lb-ft and a seven-speed dual-clutch gearbox. The brand estimates 35 mpg combined with that combo. A much stronger platform is beneath the upgraded design. The Elantra now uses 53 percent advanced high strength steel compared to 21 percent before, and the change allows torsional rigidity to increase 29.5 percent. The engineers also work to improve NVH wherever possible with improvements like a hood insulator, thicker glass, sound-absorbing material, and plastic and rubber bushings for the front subframe. Drivers can order a plethora of driver assistance and safety tech for the 2017 Elantra including Automatic Emergency Braking, Lane Keep Assist, adaptive cruise control and Blind Spot Detection.