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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 debuts the compact Seltos crossover in Delhi

The Kia Seltos has had an unusual gestation, with two concepts, exterior sketches, interior sketches, an effective reveal during a photo shoot, a christening via mythology and more teasers. Even so, since the Kia Seltos small crossover began as last year's SP concept for the Indian market, it's fitting Kia hosted the production model's debut in Delhi. We're still missing a few details, like the look of the production interior and drivetrain options, but we have a bit more to go on. The detailing and materials are what could set the Seltos apart in the segment. The overall lines are familiar, however, Kia designers have worked to make those lines lyric instead of prosaic. The front fascia's been defined by three transverse metallic-look pieces shaping the upper and lower forms. The wide tiger-nose grille gets bracketed by crisp splashes of color with the LED headlights and intricate turn signals. The rear end's creasing, shadow and metallic effects are bounded by LED taillights and more "3D multi-layer indicators." We've seen renderings of the interior and know to expect a 10.25-inch infotainment screen atop the instrument panel. That screen display can be split up to show three infotainment applications at once. Kia says there will be an available eight-inch heads-up display on a glass panel behind the steering wheel. Optional eight-speaker Bose audio can pump tunes that guide the optional Sound Mood Lighting, which uses ambient lighting to create a light show timed to the beat. Indian buyers will have a choice of a 1.6-liter turbo four-cylinder with 175 horsepower, a 2.0-liter four-cylinder with 147 hp, and a 1.6-liter diesel four with 134 hp. Kia didn't specify how the transmission options will be assigned, but the selection includes a seven-speed dual-clutch, a six-speed automatic, and a CVT. A three-mode driving selector offers Eco, Normal, and Sport. The Kia release said "Sport mode increases responses from steering and electric motor to maximize the dynamic driving feel." As there's no mention of hybridization, we wonder if the electric motor refers to the electrically-assisted power steering, or something else. Wheel choices for India start with 16-inch alloys on 205/60 rubber, moving on to 17-inchers on 215/55 rubber, topping out at 18-inch wheels on 235/45 tires. In one of the interior drawings, we noted buttons that appeared to control all-wheel drive, hill descent control, and a locking rear differential.

Hyundai spooks investors by paying $10B for new Gangnam HQ location

Doing things Gangnam style apparently costs a serious chunk of change, because Hyundai is reportedly paying roughly $10 billion for 19.6 acres (79,342 square meters) of land in the trendy district of Seoul, South Korea, to serve as the location for its new headquarters. That eye-popping number represents the highest amount ever paid for a plot of land in South Korea, according to Reuters. The hefty price tag reportedly scared investors enough for stock prices to sink dramatically.
Shareholders were apparently upset because the massive outlay could instead have been put back into the company for research and development or other improvements. Instead, the company reportedly bid triple the land's appraised value, says Reuters. The announcement caused Hyundai's stock price to plummet a massive 9 percent, and there were losses from Kia and the company's parts arm, as well. All told, the three of them lost nearly $8 billion in value from the falling share prices - almost enough to pay for the controversial land.
Hyundai currently has its headquarters on the outskirts of Seoul, but seems keen to move to the high-end Gangnam district to show off its rising status. It plans to build a new office complex, hotel, convention center and theme park on the site. According to an analyst speaking to Reuters, that could all cost an additional $6 billion to complete.