def predict_co2_emissions(co2_emissions_model, params):
    """
    Predicts CO2 instantaneous emissions vector [CO2g/s].

    :param co2_emissions_model:
        CO2 emissions model (co2_emissions = models(params)).
    :type co2_emissions_model: callable

    :param params:
        CO2 emission model parameters (a2, b2, a, b, c, l, l2, t, trg).

        The missing parameters are set equal to zero.
    :type params: dict

    :return:
        CO2 instantaneous emissions vector [CO2g/s].
    :rtype: numpy.array
    """
    return co2_emissions_model(params)
