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We check out Hyundai's HRL exoskeleton, a robotic mobility suit for paraplegics

Hyundai makes some of the largest vehicles in the world – to wit, 185,000-ton ships with 56-foot high engines making power at 84 rpm – but its R&D division has found enough human-factor synergy with autonomous vehicle development that they're now working on robotic exoskeletons. We were recently introduced to two of these devices: the HRL designed to increase mobility and therefore quality of life for paraplegics; and the WEX, designed to assist in repetitive-motion lifting. Both of these machines are powered by replaceable lithium-ion battery packs with a 4-hour run time and 40-minute recharges. The HRL robotic legs are designed for people 64 to 71 inches tall and less than 250 pounds. The aluminum segments are adjustable in centimeter increments over a 10-cm range, and the 22.4-inch width means it would fit in many long-haul aircraft forward seats. With the 4.4-lb battery pack, the HRL weighs about 41 pounds. There are six 50:1 reduction-gear actuators, two pelvic actuators rated at 224 pound-feet of peak torque with 60-degree range of motion, and two hip and knee with 112 lb-ft peak, 180 degrees and twice the rotational speed of the pelvic motors. Twenty sensors control it all with default speed of just under a mile per hour and a top speed of 1.5 mph, and step length can be adjusted by smartphone via Bluetooth. One of the accompanying crutches has four thumb buttons much like a video-game controller, though they're experimenting with simpler inputs including a joystick. The crutch communicates with the leg unit over a few feet of distance via Zigbee wireless protocol, with security layers added for both obvious reasons and to ensure two users in the same vicinity won't transmit to the other's unit. An HRL can help you sit, stand, walk or climb and descend stairs; it will also stand on its own, simplifying the process of putting it on. Your correspondent is outside the design height limits so rather than do any impromptu CG research we deferred to colleague Chris Davies of Slashgear for impressions wearing it: "It grips tightly, the support would be comforting, and it delivers good posture. It does take some getting used to – when it first lifts up a leg to move it forward you do feel like you're going to fall over – but once you establish a gait and stop over-thinking it becomes much easier." Indeed, he never fell over and most who tried established a rhythm within a few minutes, if not a 1.5-mph sprint.

The 2017 Hyundai Ioniq fuel economy numbers are official, and impressive

Thanks to the EPA's handy fuel economy reference site, fueleconomy.gov, we now know exactly how the three versions of the 2017 Hyundai Ioniq did in fuel economy testing. The EPA tested all three versions: the hybrid Ioniq, the plug-in hybrid Ioniq Blue, and the self-explanatory Ioniq Electric. For reference, the 2017 Toyota Prius is no slouch, getting 50 mpg highway, 54 in the city, and 52 combined according to EPA testing. Now let's compare to the Ioniq, which in regular form gets 54 highway, 55 city, and 55 combined. It bests the traditional hybrid Prius most significantly on the highway. The plug-in Blue achieved 59 highway, 57 city, for a combined 58 mpg rating. As we mentioned in our earlier deep dive on the Ioniq range, the plug-in will also do 31 miles on electricity alone. As suspected, the range of the Ioniq Electric is going to be an issue for the company. The EPA confirmed the range to be 124 miles in total, returning an MPGe rating of 122 highway, 150 city, and 136 combined. We know that Hyundai is self-conscious of the range of the initial model, which looks unimpressive compared to the crop of 200-plus-mile range EVs coming to market soon, like the Bolt. Hyundai recently told Automotive News that a 200-mile range version will be coming quickly, by 2018, so the Electric won't be hobbled for too long. As long as we're comparing it to the Bolt, it should be noted that the MPGe numbers are better, even if the total range isn't. The Bolt is only good for 110 highway, 128 city, and 119 combined MPGe – to put it another way, the Ioniq Electric consumes 25 kWh per 100 miles, while the Bolt consumes 28. A small difference, to be sure, but worth noting. Don't forget that there's a fourth Ioniq out there, which we rode in recently, although it's notably mainly for its autonomous tech rather than its drivetrain. Related Video: Tip: Ramsy Shuffield Green Hyundai Fuel Efficiency Hatchback Electric Hybrid

Hyundai, Kia add to 2.4 million cars recalled in U.S. over fires, engines

DETROIT — Hyundai and Kia have added more than a half-million vehicles to 3 1/2 -year string of U.S. recalls for engine failures and fires. Three recalls released Thursday by the government add new problems and vehicles to the Korean automakers' list of safety woes, which have brought hundreds of complaints about fires from across the nation. The companies have now recalled nearly 2.4 million vehicles for fire and engine failure problems since September 2015, and they are under investigation by the National Highway Traffic Safety Administration for potentially being slow to fix faulty vehicles. In addition, the companies are doing a "product improvement campaign" covering another 3.7 million vehicles to install software that will alert drivers of possible engine failures and send the cars into a reduced-speed "limp" mode if problems are detected. The largest of three recalls posted on the National Highway Traffic Safety Administration website Thursday covers nearly 379,000 Kia Soul small SUVs from 2012 through 2016 with 1.6-liter engines. Documents show that high exhaust gas temperatures can damage the catalytic converters, which control pollution. That can cause abnormal combustion and damage pistons and connecting rods. A failed connecting rod can pierce the engine block and cause oil leaks that can cause fires. In addition, Hyundai and Kia are recalling 152,000 Tuscon SUVs from 2011 to 2013 and Sportage SUVs from 2011 and 2012 to fix an engine oil pan leak that also can cause fires. Documents show that Kia had been investigating fires in Souls after the nonprofit Center for Auto Safety petitioned the government to look into the fires last year. In November, the automaker couldn't find any safety problem trends but it kept monitoring repair data and found the problem with the catalytic converters. All Souls with 1.6-liter engines made from July 8, 2011, through August 11, 2016, are being recalled. Dealers will replace a computer that prevents the catalytic converter from overheating. They'll also replace the catalytic converter and the engine if they have been damaged. Letters will be mailed to owners starting April 12. In the Tuscon and Sportage recalls, the fix for the oil pan problem is still being developed. Hyundai owners will be notified starting March 29, while Kia owners will get letters starting April 10.