def carbon_to_home(kg_carbon):
    """
    Total CO2 emissions for energy use per home: 5.734 metric tons CO2 for electricity
    + 2.06 metric tons CO2 for natural gas + 0.26 metric tons CO2 for liquid petroleum gas
     + 0.30 metric tons CO2 for fuel oil  = 8.35 metric tons CO2 per home per year / 52 weeks
     = 160.58 kg CO2/week on average

    Source: EPA
    """
    return kg_carbon * 10 ** -3 / 8.35 / 52 / 7
