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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.

Hyundai could eventually get a bespoke N performance model

Hyundai's N Performance division seems to have a few tricks up its proverbial sleeve, with a performance version of the Tucson crossover reportedly under development and the sub-brand toying with a 247-horsepower version of the Kona. Now comes word that N could eventually develop its own standalone performance model. N Performance division boss Albert Biermann tells Top Gear he's enjoying far more freedom to develop hot cars than he did at his former employer, BMW. And that includes the possibility of a bespoke N model that isn't based on an existing, hotted-up nameplate. Biermann tells Top Gear, "We have been working on this. Like the Racing Midship, which we've done three versions of. We are still working on these cars, trying different things. Maybe someday we will have such a car. There is no decision yet, but it could happen." The Racing Midship is the full name of the mid-engine RM concepts Hyundai has developed as both the Veloster RM and RM15, both based on the Veloster hatchback. The latter was built around an aluminum space frame and fitted with carbon fiber panels, with a 2.0-liter turbocharged four-cylinder doing 296 horsepower. Biermann says a bespoke N sports car is likely a ways off, however, saying Hyundai needs to give its dealer network time to get accustomed to the idea of performance cars. His team also works on products by stablemates Kia and Genesis, so it's possible we could see performance versions make their way into those brands as well. For now, the 271-horsepower i30 N, which isn't sold here in the U.S., is the first N model, with the 275-hp Veloster N hitting dealerships late in 2018. Spy shots also captured a heavily camouflaged i30 N fastback earlier this year. Then there are the Tucson N and the Kona N mule prototype to show to Hyundai brass for possible production. So it sounds like it's going to be fun to watch this performance sub-brand unfurl its wings. Related Video: News Source: Top GearImage Credit: Drew Phillips Hyundai Hatchback Performance Hyundai N hyundai veloster n albert biermann hyundai i30 n

Hyundai and Kia announce $3.1-billion investment in US facilities

Update: A US spokesperson for Hyundai had no further information, but called the reports about the automaker's investments accurate. Hyundai and Kia announced this morning a plan to invest $3.1 billion into its US facilities over the next five years. According to Automotive News, the new investment is a 50-percent increase over what Korea's two largest automakers have brought to the US in the last five years. The automakers already have several large-scale manufacturing bases in the US, but the new investment could bring another plant into the fold. There is the possibility of producing a Genesis product in the US or building a new plant for a US-specific crossover. The announcement is the latest US investment plan as President-elect Donald Trump prepares to take office Friday. Trump has singled out automakers for not building cars in the United States, and Ford, General Motors, and Fiat Chrysler all announced plans to invest in the US since the beginning of January. Skeptics say these moves would have to be years in the making, though Trump has been quick to take credit for them. Not all of the new money will go toward building new plants. Hyundai and Kia could simply expand the already busy plants in Montgomery, AL, and West Point, GA. Beyond that. The automakers could further their research into electric and autonomous vehicles. Like many other automakers, the two Korean giants have backed down from planned expansions into Mexican manufacturing. Although many automakers currently build or were planning to build new vehicles in Mexico, threats of importation fees appear to be causing caused automakers to refocus some of their efforts toward US production. With all this new investment in the US, Kia and Hyundai said there will be no jobs moved to Mexico. Meanwhile, this morning GM announced plans to bring truck axle manufacturing back from Mexico. As with all of the recent announcements, Hyundai and Kia stated that Trump's upcoming presidency played no part in the decision to reinvest in the US. Related Video: News Source: Automotive News Plants/Manufacturing Genesis Hyundai Kia Mexico Trump jobs investment