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Head of the class | 2017 Hyundai Ioniq Electric First Drive

With the Ioniq family, Hyundai has cooked up a recipe that looks really good on paper. As with the pair of hybrid models, the Ioniq Electric combines a high level of efficiency with a nice price and styling that is neither drab nor audacious. This is uncharted territory for Hyundai, though. The dedicated platform shared by this trio of electrified vehicles is completely new, and the electric version is the brand's very first battery-electric vehicle. Hyundai's approach means the Ioniq can carve out its own space in the market and capture the attention – and dollars – of eco-minded buyers on a budget. The three Ioniq offerings are all very similar, both in appearance and in underlying technology. The Ioniq Electric, though, is the only one without a gasoline engine (and, for that matter, without the six-speed dual-clutch transmission the hybrids use). For propulsion, it relies solely on its 88-kW (118-horsepower) electric motor, which provides 215 pound-feet of torque. A 28-kWh battery pack supplies the energy, giving it a respectable 124 miles of driving range between charges. "Wait a minute, Scoob," you might be saying. "Only 124 miles? The Chevy Bolt goes 238 miles on a full battery." Yes, that's right. The Bolt is kind of a young, tough shark swimming in the same waters into which Hyundai is dipping its toes. The Bolt, though, has a starting MSRP of $37,495, which is a big sack of ducats for a compact car. It's also $7,160 more than the Ioniq Electric. We'll revisit the price in a little bit. Same as in the hybrids, the Ioniq EV's interior is attractive and comfortable. The seats are supportive, and it's easy to find a cozy position behind the adjustable steering wheel. Taller occupants might find headroom in short supply, at least in models equipped with a sunroof. The materials are all attractive and nice to the touch, tiller included. The digital instrument cluster is fairly simple, and toggles on the steering wheel allow you to put the information you want right in front of you. The 7.0-inch central touchscreen is attractive, although the large amount of information and features available in the various menus could be a little difficult to navigate for some. Others will appreciate the ability to monitor their energy usage, customize settings, find charging stations, and project their smartphone onto the screen via Apple CarPlay or Android Auto. There's even available wireless charging for phones that support it.

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.

Hyundai CVVD engine brings another dimension to valve timing

A new technology from Hyundai Motor Group places another marker on the march to more efficient internal combustion engines. Called Continuously Variable Valve Duration, the innovation permits two options for how long the intake valves remain open during the combustion cycle. The feature adds a third take on valve chicanery, atop variable valve timing that changes when valves open, and variable valve lift that changes how far valves open. Hyundai says the feature returns a 4% improvement in performance, a 5% increase in fuel economy, and lowers emissions by 12%. Hyundai applied for two patents on the valvetrain process in South Korea in 2011 and again in 2015. The altered valve duration in this latest iteration is made possible by two movable arms inside the camshaft. Each arm is anchored at its base to a pin at the center of the camshaft, while the end of each arm extends toward the edge of the camshaft. Changing the position of the pin in the center of the camshaft changes the angle of the arms relative to one another, which moves the camshaft along its mounting rod. Voila, a new intake cam profile that either lengthens or shortens valve overlap.   During low-speed spells at low load, CVVD opens the intake valve from the middle to the end of compression stroke. The weaker detonation isn't a factor at low load, and the reduced friction during compression improves fuel economy. During heavy engine loads, the intake valve closes at the beginning of the compression stroke to maximize the amount of air mixed for detonation, boosting torque. Four additional features enhance the benefits of CVVD. A more powerful direct injection system increases fuel spray pressure from 250 bar to 350 bar. Hyundai doesn't go into details on its Integrated Thermal Management System, but says the ITMS "quickly heats or cools the engine to the optimal temperature." Low-friction components lower overall engine friction by 34 percent. And a low-pressure exhaust gas recirculation layout diverts low-pressure exhaust gas from the traditional EGR route to the turbocharger compressor under high load for better fuel efficiency.   The first engine to boast the new tech is the Smartstream G1.6 T-GDi four-cylinder, which produces 180 horsepower and 195 pound-feet of torque. It will appear in the 2020 Hyundai Sonata Turbo going on sale in South Korea later this year.