2013 - Kia Optima on 2040-cars

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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 Niro hybrid and PHEV refreshed with Niro EV's looks and tech for Geneva

Two years ago, Kia unveiled the Niro hybrid at the Geneva Motor Show. This year, Kia will bring updated versions of the Niro hybrid and PHEV to Geneva, putting the battery electric crossovers under the influence of the Niro EV. The powertrains don't change, but the looks do. New projector headlights adopt what Kia calls its "ice cube" design above a new bumper. The DRLs turn into double arrows beneath, mimicking the single arrow DRL on the Niro EV. LED fog lights are optional. In back, new LED taillights pair with new light reflectors and rear fog lamps that sit between a silver skid plate. Two new 16-inch wheel designs will be standard fit, a new 18-inch wheel on the options sheet. The interior get a serious spruce in color and technology, especially with the optional color packs. A soft-touch coating covers the instrument panel, gloss black or satin chrome highlight the rest of the cabin. Paddle shifters for the six-speed double-clutch have been grafted onto the steering wheel. The handbrake lever gives way to an electronic parking brake, and there are larger rear brake discs. Depending on market, Kia will offer Red-Orange or Plum color packs. The former merely splashes hues about the cabin, as in the red contrast stitching and red-orange dash trim. Plum turns the interior fruity, adding perforated plum-colored leather to the seats, "warm purple stitching," and a plum armrest on the doors. Standard digital touches include a 4.2-inch TFT screen in the binnacle, and an eight-inch infotainment screen. The optional system installs a seven-inch TFT panel in the binnacle and a 10.25-inch TFT infotainment window. That upgraded spec will run Kia's new Uvo Connect, which uses a SIM card to retrieve and update live data. The lengthy list of driver assistance and safety features Kia's known for welcomes two optional features. The new adaptive cruise control adds a stop and go function, able to restart on its own after stopping in traffic. Lane Following Assist will follow the vehicle in front. Related Video:

Kia Stonic is a compact crossover with a weird name

With Hyundai on the verge of revealing its new Kona subcompact crossover, it isn't surprising that Kia has one to show as well. It's called the Stonic, which is a fairly bizarre name with an equally odd origin. "The name 'Stonic' combines 'Speedy' and 'Tonic,' which refers to the first and last note in the musical scale," Kia explains. "Thus, 'Stonic' suggests that the vehicle is agile and offers something new and fresh in the compact SUV segment." It will be interesting to see if Kia sticks with the name, especially considering it's only one letter away from the name of a certain Chevrolet. Funky name aside, the Stonic looks like it will be fairly handsome, if a bit conventional-looking for a segment that includes the Nissan Juke and Toyota C-HR. The renderings show the car adheres to Kia's design language with organic curves and the corporate Kia grille. It then adds chunky features like beefy fender arches and a thick, raked C-pillar, all of which are bolstered by prerequisite black plastic cladding and aluminum-look faux skid plates. The interior doesn't get any more adventurous. In fact, comparing the rendering with the interior of the new Kia Rio, they look just shy of identical. The only visible differences are a slightly different dash pad over the passenger air bag, and slightly altered air vents. Though the base vehicle isn't exactly revolutionary in its design, it does sound as though owners will be able to personalize it a bit. Kia says the Stonic is "the most customizable Kia ever." Exactly how this will be realized is yet to be seen, but expect many options for interior trim, exterior colors, wheels, and more. We'll also learn the details soon, since Kia says the car will go on sale later this year. Related Video: Kia Crossover Economy Cars hyundai kona