“Zero emissions” is also expected from utility vehicles such as those used in mining. Swiss startup 4QT is a pioneer in this field. Its retrofittable, intelligently controlled dual rotor machine (4QT = 4-quadrant transmission) combines the advantages of electric drive systems with the benefits of modern combustion engines.
Four operating modes are available: work mode (combustion), zero emission mode (electric), charge mode (recovery) and boost mode (combustion + electric). The result is unique efficiency and performance with roughly 30 % lower emissions. MOTOREX is part of this exciting project.
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