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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 previews new Creta crossover in first design sketch

It was barely a week ago that Hyundai announced the name of its upcoming subcompact crossover, the Creta. And now the Korean automaker has released the first sketch. The design bears obvious links to the larger Santa Fe (which was just unveiled in facelifted form) and the new Tucson (unveiled in Geneva), particularly at the front end with its angular eyes and trapezoidal grille. Hyundai promises "a bold front, voluminous side, [and] sporty rear," with a hidden A-pillar and an overall "premium look." Called the Creta, the new small crossover is set to take on the likes of the Nissan Juke, Mazda CX-3, Jeep Renegade, and others in an increasingly vital, growing, and competitive segment. HYUNDAI MOTOR UNVEILS FIRST RENDERING OF CRETA SUB-COMPACT SUV Hyundai Motor Company today unveiled its first rendering of the upcoming Creta, sub-compact SUV. The design of Creta follows a premium look, based on Hyundai Motor's evolved design philosophy. Harmony between a bold front, voluminous side, sporty rear and other details complete the premium sub-compact SUV design. Creta with its bold and glamorous looks feature singular hexagonal radiator grille, sleek profile and a stable stance. The hidden A-pillar was applied to grant a unique and dynamic image, hinting at an open and airy cabin. Related Video:

2017 Hyundai Ioniq triplets electrify New York

If you're an American and want an affordably priced hybrid, plug-in, or full EV from a mainstream brand, get ready to meet the Hyundai Ioniq. The long-awaited rival to the Chevrolet Volt, Ford Focus Electric, Nissan Leaf, and Toyota Prius family heads to the 2016 New York Auto Show. We already know quite a lot about all three flavors of the Ioniq from its international debut in Geneva. You can check out that report here. But there are some changes for the US market car, and the biggest is the US Ioniq's electric range. Our original report indicated that the Ioniq Electric would cover 155 miles per charge, although we weren't sure which range rating standard that was based on. According to Hyundai, the US model won't be quite so impressive, scoring an estimated range of 110 miles. That fits the prediction of Autoblog boss Mike Austin, who suggested the Ioniq Electric would roughly match the 107-mile maximum of the Leaf. The other change focuses on the range of the Ioniq Plug-in. That figure has fallen from 31 miles of all-electric range to 25. Both of these revised ratings aren't necessarily down to changes in the cars themselves – the Electric still uses a 28-kilowatt-hour battery and the Plug-in has an 8.9-kWh unit, just like their European counterparts – but are simply differences in how range is measured. Check back soon for live images of Hyundai's new ultra-efficient triplets. Related Video: 2017 HYUNDAI IONIQ MODEL LINEUP MAKES U.S. DEBUT AT NEW YORK INTERNATIONAL AUTO SHOW World's first dedicated vehicle platform with three electrified low-and zero-emission powertrain choices Ioniq offers latest connectivity and active safety features for a comprehensive eco-lifestyle transportation solution NEW YORK, Mar. 23, 2016 – Hyundai Motor America today unveiled the Ioniq Hybrid, Plug-in Hybrid, and Electric models for the U.S. market at the New York International Auto Show. The Ioniq eco-focused vehicle is the first in the world to offer three distinct electrified powertrains on a single, dedicated vehicle platform. Hyundai's approach for the Ioniq line delivers an uncompromising design and driving experience coupled with the latest in safety and convenience technologies, making it an appealing choice for a wide range of buyers. The Hyundai Ioniq is an important milestone in Hyundai's global sustainability strategy. "Ioniq will attract an entirely new group of eco- and efficiency-oriented buyers in the U.S.