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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 continues run of Soul special editions with Red Zone

The 2014 Soul has come on strong since its introduction, going so far as to become the Korean automaker's top-selling model last month, but Kia isn't wasting any time in creating a little extra excitement for its boxy hatchback. Although the name is a little wonky, the Kia Soul Red Zone marks the first special-edition model for the second-gen Soul, and its styling is meant to mimic the 2012 Track'ster Concept, the showcar that inspired the design of the 2014 Soul.
While there's no pigskin or AstroTurf (or any other football-related references) to be found on this car, the Red Zone package consists of a distinctive white paint scheme with bright red accents. The red theme continues on the inside with contrast stitching and piping acting as highlights to the otherwise all-black interior. The 2014 Soul Red Zone goes on sale early next year, and while official pricing has not been announced, production will be limited to just 2,000 units.

Hyundai Q1 profit triples, as it adjusts production due to chip shortage

  SEOUL — Hyundai Motor Co posted a first-quarter profit that nearly tripled to its highest in four years as people bought its luxury cars, but warned it would have to adjust production again in May because of a chip shortage. Unlike its rivals, the South Korean automaker staved off production halts in the first quarter, thanks to a healthy chip inventory. But the shortage, exacerbated by factors including a fire at a chip factory in Japan and storms in Texas, is now catching up with Hyundai. Hyundai, which has lagged its rivals in the electric vehicle (EV) race, also said on Thursday that it was developing solid-state batteries and planned to mass produce EVs using solid state batteries in 2030. In February, Hyundai launched its Ioniq 5 electric midsize crossover, the first in a planned family of EVs that it hopes will propel it into the third rank of global EV makers by 2025. Hyundai Motor and Kia together aim to sell 1 million EVs in 2025. In the quarter ended March 31, Hyundai was unscathed as people at home and the United States snapped up its high-margin sports-utility vehicles and premium Genesis cars as the coronavirus pandemic dragged on, fueling car ownership. Net profit surged 187% to 1.3 trillion won ($1.16 billion) from 463 billion a year earlier, when business slumped as countries shut down to limit the spread of the coronavirus. This was in line with an average Refinitiv SmartEstimate. Revenue rose 8.2% to 27.4 trillion won. Hyundai is expected to report net profit of 1.4 trillion won for the April-June period, up 536% from the corresponding period a year earlier, Refinitiv SmartEstimate showed. Hyundai affiliate Kia Corp reported operating profit of 1.1 trillion won for January-March, up 142% on the year. Hyundai, which together with Kia is among the world's top 10 automakers by sales, has temporarily paused production three times since the beginning of this month and saved chips for its most popular models. "The condition of semiconductor parts is being a little more prolonged than we expected," said Seo Gang-hyun, an executive vice president at Hyundai. "As the semiconductor procurement condition is rapidly changing, it's difficult to predict production status after May.