Automotive

Published on October 27th, 2017 | by Subhash Nair

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Hyundai and Kia Outline Future Powertrain Strategy

Hyundai Motor Group has outlined its future powertrain development strategy, at its International Powertrain Conference in Korea earlier this week.

Developed by Hyundai Motor Group, the Smart Stream powertrains deliver improved fuel economy and reduced exhaust emissions. Beginning with the introduction of 1.6-liter petrol and diesel Smart Stream engines, the technology will eventually be available for all Hyundai Motor Group vehicles. The improvements will enhance petrol and diesel engine efficiency, alongside the development of new plug-in hybrid and electric powertrains, plus the company’s next-generation Fuel Cell Electric Vehicle (FCEV).

Smart Stream: Next generation powertrain

First introduced at the 2017 Frankfurt International Motor Show, the Smart Stream powertrains will allow Hyundai Motor Group to respond to global changes in environmental regulation and meet customer demand for fun-to-drive cars. The word ‘Smart’ implies being smart in design, control, and operation, while ‘Stream’ refers to dynamic movement of mobility.



The next-generation Smart Stream technology optimises the existing powertrain structure, with engine components reduced in size and weight to enhance fuel efficiency. With the advanced combustion techniques of Smart Stream engines, Hyundai Motor Group aims to maximize thermal efficiency by up to 50% in the future.

Among the Smart Stream technology presented at the International Powertrain Conference is the first commercial application of Continuously Variable Valve Duration (CVVD) technology. In the Smart Stream G 1.6 turbo engine, the opening and closing of the cylinder valve is timed to best respond to various driving modes, such as eco-driving or dynamic driving.

Other new technology includes the Smart Stream eight-speed wet Dual-Clutch Transmission (DCT). Unlike conventional automatic transmissions, the dual-clutch system enables optimal shift response, with the eight-speed gearing and high-efficient hydraulic system delivering both faster acceleration performance and excellent fuel economy at the same time.

By 2022, Hyundai Motor Group aims to develop an all-new Smart Stream powertrain line-up composed of 10 gasoline engines, six diesel engines, and six transmissions.


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