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2015 Kia Soul EV Prototype

Spend a few days chatting with the good people of Seoul about their neighbors to the north, and you'll find a pattern emerges. When they first start talking, South Korea's citizenry speaks openly and ardently about seeking reunification with their North Korean brothers and sisters. Yet once you get beyond casual conversation, you'll find that those hopes and wishes aren't all that they first appear to be. Quite reasonably - and despite everyone's best intentions - there's genuine fear that opening the border with communist North Korea would severely tax South Korea's finances, infrastructure and daily lives. It's almost as if reunification feels like something the general public has to say they want, even if they're really not buying into the reality.
It's kind of like the way American consumers and the media have been crying out for electric and hybrid automobiles, yet when it comes time to vote with their pocketbooks, their hearts just aren't in it. There are potential financial and infrastructure concerns, along with lingering worries about how well EVs will integrate into their daily lives. Today, hybrids and plug-ins make up about three percent of new vehicle sales, and the vast majority of those models are gas-electric models - one in particular. Pure electrics aren't yet even a drop in a very large bucket. It's exactly this uncomfortable dichotomy that rings in our heads as we drive through the traffic in Namyang at the wheel of a 2015 Kia Soul EV prototype.
Of course, one can't blame Kia for developing an electric car - it has California's zero-emissions mandates to meet, regardless of whether the segment's sales suggest there's a sound financial strategy attached. Kia officials we spoke with at this early drive of the company's electrified 'box' car seemed to tacitly acknowledge the Soul EV's difficult business case, but pointed to the company's effort to reduce its CO2 output as part of its reason for being. And besides, their beancounters' industry-wide projection for global EV sales in 2018 is 600,000 units, so there's got to be room to grow, right?

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.

Kia Soul getting turbocharged variant, say hamsters

Last week, we reported on the return of Kia's Soul-promoting hamster mascots. They took on "Dueling Banjos," and it was adorable and entertaining and everything we expect from our favorite spokesrodents. But that same spot also hinted at something strange on the end slide – a Soul Turbo, coming this winter. One Autoblog staffer said I must have been so overcome by the return of my favorite spokeshamsters that I missed the end slide the first time around, and that might be true. Instead of debating that, let's focus on just what Kia revealed here. The company has long hinted that a higher-performance Soul was in the works, embodied by the Track'ster and Trail'ster concepts from 2012 and 2015. Both cars used a version of Hyundai/Kia's 1.6-liter, turbocharged four-cylinder, tuned to 250 hp in the Track'ster and 185 hp in the Trail'ster, which had the added bonus of a hybrid assist. Both added all-wheel-drive systems to the front-drive Soul package. A production Soul Turbo will likely fall between the hot-hatchback-like Track'ster and the off-road-focused Trail'ster. Expect Kia to pluck the corporate 1.6-liter turbo four for duty, with anywhere from 175 to 201 hp – we can hope for more, but that power spread covers Hyundai/Kia's current production trims for this engine. All-wheel drive seems like a given, based on Hyundai's approach to the Tucson, Kia's past few concepts, and the Soul's positioning as a sub-compact CUV. We've reached out to Kia for confirmation that the Soul Turbo is coming. As soon as we hear back, we'll update this post. And if you need a refresher on the video, we've embedded it below. The text in question pops up at 1:46. This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings.