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EV battery prices to stop falling in 2020, Hyundai says

SEOUL — Hyundai believes electric vehicle battery prices will level off by 2020 due to supply constraints of key ingredients, ending years of sharp declines that have helped stimulate activity in the booming sector. Despite its cautious outlook, the South Korean carmaker and smaller affiliate Kia plan to release 38 green models using a variety of technologies by 2025, Hyundai Motor Senior Vice-President Lee Ki-sang said. "Not a single ingredient is going in a positive direction in terms of pricing," Lee, who oversees Hyundai's green car operations, said in remarks to reporters last week that were embargoed until Wednesday. "So far battery prices have been declining at a rapid pace, but the pace will moderate significantly or maintain the status quo by 2020." While rivals have announced ambitious plans for electric vehicles, some analysts say Hyundai has been late to the game. It plans to launch a long-range electric vehicle next year, well behind the likes of General Motors and Tesla. Demand for minerals such as nickel, cobalt and lithium used in electric car batteries is forecast to soar in the coming years as governments crack down on vehicle pollution and carmakers step up their investments in electric models. Batteries are the most expensive part of electric vehicles, and their affordability is key to the take-up of the technology. Lithium-ion battery cell prices fell about 60 percent in the five years to 2016 as larger-scale production made them cheaper to make. In September, Reuters reported that Volkswagen was moving to secure long-term supplies of cobalt for the group's electric vehicle plans, but its talks with cobalt producers in November ended without a supply deal. Lee said that although Hyundai saw the need to develop batteries in-house, it still relied on outside suppliers due to a lack of economies of scale to secure raw materials. It aimed to release vehicles powered by solid-state lithium batteries by about 2020, promising greater range and safety than existing lithium-ion units. Japanese rival Toyota also has announced a similar schedule for the development of vehicles powered by new, potentially revolutionary solid-state batteries. In addition to hybrids and battery-powered vehicles, Hyundai was "coordinating" with Fiat Chrysler Automobiles over hydrogen cars propelled by electricity generated from fuel cells, Lee added.

The Ceiling Is the Roof: Hyundai Santa Fe Cabriolet opens a sky of possibilities

The Nissan CrossCabriolet might be a relic of the past, but its spirit continues to live on each and every time another manufacture builds a convertible SUV. It's a memory that just won't go away, no matter how much everybody tries. This time, it's Hyundai Australia that sent an out-of-the-blue reminder, showing off a chopped version of its new Santa Fe three-row utility vehicle. The totally revamped Santa Fe debuted earlier this year and is starting to hit public roads with a much more aggressive and stylized exterior. One feature not on the order sheets, however, is a convertible top. That's because this is a one-off project car that is not legal to drive on normal streets. This specific Santa Fe started its life as a pre-production ride used only for promotional purposes. The roof was removed for better access to take top-down photos of the interior, and this particular Santa Fe was set to be crushed at a later time. However, auto publication CarAdvice found out about the peculiarity and finessed Hyundai into offering a test drive on a private closed circuit. Any impressions are for naught, however, considering the vehicle is not headed for production, and this Santa Fe was not set up to be driven. That means the Land Rover Evoque remains the only drop-top high-top vehicle that is currently available for purchase. As a manufacturer that strictly makes utility vehicles, Land Rover is okay with creating SUVs with less practicality, like the convertible Evoque and the coupe-like Velar, to offer some variety. Or, for those feeling frisky, CrossCabriolets can easily be found for less than $20,000. The choice is yours. Related Video:

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.