Each region would then have a pie chart showing the breakdown of heating fuel types within that region. Washington state would probably use a high percentage (a large slice of the pie) of electricity because of the hydropower in that region, while Idaho would probably use a high percentage (a large slice of the pie) of natural gas.
Kila mkoa ingekuwa basi pie chati kuonyesha kuvunjika kwa inapokanzwa aina ya mafuta ndani ya kanda hiyo. hali Washington pengine kutumia asilimia kubwa (kipande kubwa ya pai) ya umeme kwa sababu ya umeme wa maji katika kanda hiyo, wakati Idaho pengine kutumia asilimia kubwa (kipande kubwa ya pai) wa gesi asilia.