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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 reveals facelifted 2017 Cadenza

Kia has revealed a facelifted version of its Cadenza sedan. Little in the way of technical details were released to accompany these two images of the model known in its home market as the K7. However the updated model "maintains the progressive, contemporary image of the current model" with "sharper, more defined lines and wider, lower stance" compared to the existing version. Previewed in a trio of teaser renderings just weeks ago, the new Cadenza adopts a more sharply-creased appearance. Kia says that the "long [hood], gently rising shoulder line and swept-back roofline give the car a sleek, elongated silhouette." Those lines are complemented by a a window line that rises towards the rear into a sharp kick upwards in the C-pillar, with the brand's signature tiger-nose grille flanked by wraparound LED headlamps, more muscular fenders, squared-off bumpers, wide LED taillamps, and dual exhaust tips. The new Kia Cadenza is set to reach showrooms around the world in the new year ahead. The current model shares its underpinnings with the Hyundai Azera, and was introduced in Korea in 2010 before arriving in North America in 2013. The version we currently get in the United States is powered by a 3.3-liter V6 producing 293 horsepower and 225 pound-feet of torque, mated to a six-speed automatic transmission. Purposeful design for all-new Kia Cadenza - Sharper, more defined styling for Kia's full-size sedan - Distinctive, European-inspired looks with a sleek, elongated silhouette - Bold new model maintains the progressive image of existing Cadenza, promising greater refinement and luxury - On sale in overseas markets in 2016 (SEOUL) November 24, 2015 – Kia Motors has today revealed the updated exterior styling of the Korean domestic market all-new Kia Cadenza (known as 'K7' in Korea) in the first official photos of the new model. The all-new Cadenza boasts a purposeful new design and will feature high levels of interior quality and contemporary luxury when it goes on sale in overseas markets in 2016. The next-generation Cadenza maintains the progressive, contemporary image of the current model, and the sharper, more defined lines and wider, lower stance give the new model a modern and thoroughly distinctive new look – with key design elements ensuring the new Cadenza remains recognizable as a Kia.

Car dealership gives man a new car after his is tagged with racist graffiti

Update: The Facebook post from the passerby mentioned is no longer available, and has been removed from the text. A man in Arkansas who found his pride and joy broken into and covered in racist graffiti has a new set of wheels, thanks to one generous car dealership. Reshod Johnson left his car parked outside of his place of work for just 15 minutes last week while he retrieved chairs for his son's third birthday party. When he returned, he found his belongings scattered across the street and racist terms spray painted on his car. "I just don't understand it. I don't do anything to hurt anybody," Johnson told THV11. "I don't go out looking for trouble." A friend spotted two white men fleeing the scene in a red truck. He made a police report, but as a full time student and former veteran with Christmas around the corner and a three-year-old at home, money is tight. Johnson made the painful decision to continue to drive his 2006 Nissan with the hateful messages intact, though he was keeping his young son away from it. "We're supposed to have advanced past this and to serve the country and to serve for everyone and to fight for rights and freedom for everyone and for this to happen, it's like a slap in the face and makes you wonder for what," Johnson told THV. When a passerby saw the damage, she became emotional and posted about the incident on Facebook. According to 9news.com, the post drew a ton of help and attention to Johnson's story. Steve Landers Kia saw Johnson's story and decided to help. They donated a new ride to Johnson just in time for Christmas. They said it was the least they could do for a veteran who experienced horrific random hate. "Times are hard out here and he's a veteran," an employee for Steve Landers Kia told 9News.com. "We're just trying to help the community out."Related Video: Weird Car News Kia Maintenance Ownership Safety vandalism veterans graffiti racism