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PSA Peugeot Citroen Reveals Compressed Air Hybrid Concept: Video

French giant PSA Peugeot Citroen has revealed a new hybrid drivetrain concept – a 'Hybrid Air' drivetrain that combines a conventional petrol engine with a compressed air-propelled hydraulic motor. Shown at the recent PSA Innovati


French giant PSA Peugeot Citroen has revealed a new hybrid drivetrain concept - a 'Hybrid Air' drivetrain that combines a conventional petrol engine with a compressed air-propelled hydraulic motor.

Shown at the recent PSA Innovation Day at its France Technical Centre, the idea of compressed-air-propulsion is hardly new - Tata has been hard at work in development of its purely air-fuelled Mini CAT city car for India.

Despite several years of development, the Mini CAT is yet to reach the market, and PSA’s Hybrid Air concept has more mainstream ambitions.

According to PSA’s demonstration video, the system uses high and low pressure air-tanks to send compressed air to a front-mounted hydraulic pump, in turn powering a hydraulic motor that harmonises with the petrol engine through an epicyclic transmission.

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