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Kia to globally launch new diesel 48V mild-hybrid powertrain

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Daniel Gibson
Kia to globally launch new diesel 48V mild-hybrid powertrain

Kia Motors Global will introduce its first 48V diesel mild-hybrid powertrain in the second half of 2018.

The new powertrain, called EcoDynamics+, reduces CO2 emissions by supplementing acceleration with electric power from an additional 48V battery and extending combustion engine off time using a new mild-hybrid starter-generator unit.

By electronically controlling the mild-hybrid starter-generator using the inverter, the system switches between two modes - Motor and Generator.

In Generator mode, the system harvests kinetic energy from the vehicle during in-gear deceleration and braking and uses the power to recharge the batteries.

Kia claims that the compact nature of the EcoDynamics+ means the technology can be integrated into existing vehicle and powertrain architectures without impacting practicality or packaging.

The system is paired with Kia’s Selective Catalytic Reduction (SCR) active emissions control technology, reducing CO2 emissions by up to 4 per cent on WLTP.

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