GASTER Electricway 4WD Concept with Compressed Natural Gas, Continuously Variable Transmission and Electrified Rear Axle

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The paper presents aspects related to the development within the Alternative Propulsion Systems Electric and Hybrid Vehicles laboratory, from Automotive Engineering Research Centre, National University of Science and Technology Politehnica Bucharest-Pitesti branch of a new concept 4WD hybrid vehicle based on the Dacia Duster. The solution is a Plug-in system, parallel P4 type with two shafts, organized in a motorized solution E4WD (Electricway 4WD). The vehicle was built by implementing a hybrid propulsion system with electrified rear axle. This hybrid system is used for the first time on Dacia vehicle fitted with thermal power train with a 1.6 litre engine fuelled with Compressed Natural Gas (CNG) and a CVT (Continuously Variable Transmission), placed in the front of the vehicle and an electric powertrain located at the rear side of the vehicle. The traction battery is Lithium Fe Phosphate (LFP) type. The charging of the traction battery can be performed with the on-board charger by cable from a Wallbox or a public station.

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79-94

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June 2026

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© 2026 Trans Tech Publications Ltd. All Rights Reserved

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