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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:

The Hyundai Genesis is dead! Long live the Genesis G80!

Hyundai's big news at the 2016 Detroit Auto Show isn't even about Hyundai at all. It's about Genesis, the Korean automaker's new luxury brand that officially kicks off with the G90 flagship. But over the next few years, Genesis will add a number of models to its range, and the next is the G80 – the rebadged version of the existing Hyundai Genesis sedan. That's what you're looking at here. Look closely, and you'll see the new Genesis wing emblem, and some "G80" badges on the rump. The official transition from Hyundai Genesis sedan to Genesis G80 happens this summer, with the 2017 model year car. We don't expect the G80 to be too different from the existing 2016 sedan, though Hyundai officials tell us some more Genesis announcements will take place at the New York Auto Show in March. Hyundai already confirmed a smaller Genesis G70 sedan will come to market, as will a sport coupe and luxury SUV. See the new G80 in the images above, check out the all-new G90 flagship here, and watch the Hyundai/Genesis press conference from the 2016 Detroit Auto Show below.