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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.

Former Lamborghini designer reportedly headed to Hyundai

Luc Donckerwolke (pictured above) only left his position as the Director of Design for Bentley in early June, but he might have already had a new gig lined up as he was walking out the door. Donckerwolke is reportedly teaming up with former Volkswagen Group styling bigwig Peter Schreyer at Hyundai Motor, in a position to eventually take over the look of all of the Korean brands' vehicles. At the moment, this major hire for Hyundai and Kia is still just a rumor, though, and the Korean automaker is playing it close to the vest. Company spokesperson Jim Trainor tells Autoblog, "We do not comment on speculation concerning potential appointments." However, insiders tell Automotive News that the deal is the reason for Donckerwolke walking away from his long career among VW's brands. In Korea, Donckerwolke would hold a position under Schreyer at first, and he would take over Hyundai and Kia's design duties when Schreyer retires, which is expected in about two years. Donckerwolke joined the German automotive giant in 1992 and eventually came to define the modern look of Lamborghini by penning both the Murcielago and Gallardo. In 2011, he became the Head of Advanced Design for VW Group and took over styling duties at Bentley in 2012. Schreyer left a fruitful career at VW Group, including penning the original Audi TT, to join Kia in 2006. He gained the overall design duties for the Hyundai and Kia brands in 2012. Ousted VW Chairman Ferdinand Piech once said that he was regretful of losing the talented stylist. Related Video:

Kia Sportage crossover is feeling 'Sporty' with 2020 refresh

The 2020 Kia Sportage crossover, which has been spied testing on the Nurburgring of all places, gets unveiled this week at the Chicago Auto Show. The 2020 model year marks a light visual refresh for the 2017-on Sportage generation, and among other details, it's recognizable from updated bumpers front and rear. The headlights have been discreetly redone, offering available LED technology, and they also incorporate LED turn signals on select trim levels. In addition, the fog lights are also available with LED. The taillights also have new trim, and there's a redesigned skid plate on both bumpers. You can also spot the 2020 Sportage from a new selection of alloy wheels in 17-, 18- and 19-inch sizes. Inside, the 8-inch touchscreen is standard, with Apple CarPlay and Android Auto capabilities. Modem-enabled telematics and navigation are optional, as is a wireless smartphone charging tray. The steering wheel is a new design, and "Sofino" leather trim is a new option. For 2020, the optional driver assists have been updated to include attention warning, lane keeping assist, high beam assist, adaptive cruise, start-stop and a forward collision assist with pedestrian detection. The cruise control radar is visible in the middle of the tiger-nose grille, below the Kia emblem. The powertrain continues as previously, with a naturally aspirated, 181-hp 2.4 and a 2.0-liter, 240-hp turbo four on offer, and a choice of FWD or AWD to go with the standard six-speed automatic. No mild hybrid has yet been announced, but we're expecting it to appear later on — sans diesel power. As for the trim levels, there's a new S level joining previous LX, EX and SX trims, and according to Kia, S stands for "Sporty"; it features sporty trim both inside and outside. Related Video: This content is hosted by a third party. To view it, please update your privacy preferences. Manage Settings.