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Horse Powertrain reveals new H12 Concept hybrid engine – 3.3 l/100 km; 44.2% thermal efficiency
Horse Powertrain, the joint venture between Geely and Renault, has unveiled a next-generation hybrid powertrain that operates on 100% renewable petrol and boasts ultra-high efficiency and low fuel consumption.
Running on Repsol’s 100% renewable fuel, the hybrid powertrain features the Horse H12 Concept engine, which is an evolution of the H12 engine (like the one found in the Nissan Kicks e-Power) that includes a combustion system designed at a 17:1 compression ratio.
Other key aspects include a new exhaust gas recirculation (EGR) system, an optimised turbocharger, a high-energy ignition system, reduced internal friction enabled by Repsol lubricants as well as an improved hybrid gearbox with optimised energy management.
Designed in Spain in collaboration with Horse Technologies, a division of Horse Powertrain, the first two prototypes of the H12 Concept engine have already been produced and their performance validated. The company expects its first demonstrator vehicle sporting the engine to be presented in early 2026
