Kia 48V Mild-Hybrid Diesel powertrain rolling out THIS year

Daniel Fowler
May 15, 2018

The powertrain, dubbed EcoDynamics, will reduce Carbon dioxide emissions of the Sportage by aiding acceleration with electric power from its additional 48-volt battery, and using a mild-hybrid starter-generator (MHSG) unit to extend the time that the diesel engine is not under load.

Kia is also set to introduce a petrol version of the powertrain with the same mild-hybrid setup, although the release date is yet to be revealed.

According to its creators the mild-hybrid technology offers advantages over full hybrid units, particularly in the performance generated for the cost.

New Kia Ceed will be second model to gain hybrid tech. Restarting of the engine is carried out after pressing of the accelerator pedal.

Kia says that its mild-hybrid technology can provide extra acceleration for overtaking, as well as reducing engine load when the auto is being driven more gently.

Battery power can also be used to provide a new Moving Stop & Start function.

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The EcoDynamics+ powertrain reduces Carbon dioxide emissions by supplementing acceleration with electric power from an additional 48-volt battery and extending combustion engine "off time" using a new mild-hybrid starter-generator unit.

The MHSG is mounted in the engine bay and connected to the crankshaft by a belt.

The first vehicle to get the combustion-electric combo - the mild hybrid will be mounted under the boot floor - will be the Sportage which will be launched later this year.

The diesel mild-hybrid powertrain is compatible with both manual and automatic transmissions, and could be adapted for front-, rear- and all-wheel drivetrain layouts. Its introduction is part of Kia's 2025 Electrification Strategy, under which the company intends to have launched 16 "advanced powertrain" vehicles by 2025, five each of which will be hybrids, plug-in hybrids and pure battery-electric vehicles.

Kia did not say how much range the Sportage will have with the engine switched off when using the system.

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