Carmia HUD(Head Up Display) iTree can get and project many vehicle information on vehicle front windshield after connecting with on-board computer by standard OBDII port, the information include vehicle speed, engine speed, fuel consumption, battery voltage, …etc.. Besides normal information display, the HUD can judge users’ driving behavior good or bad, then changing the wood growth rate in iTree to train users’ fuel-saving skills. In general, by using this special wood-planting game to train driving skills, the fuel consumption can be extra reduced 15%.

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