Hydraulic-assisted drive promises to almost double fuel economy


Forget about hybrid or electric drive. One day internal-combustion engine vehicles may be receiving a power boost from hydraulics. This could potentially save 45 percent on fuel consumption in urban traffic according to the system's developers, Peugeot Citroën and Robert Bosch GmbH (Stuttgart).

The two companies are now planning to jointly develop a hydraulic hybrid powertrain for passenger cars essentially comprising two hydraulic units and their pressure accumulators....
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