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Fractional contributions from select combustion fuel types and sectors in 2017. (A) The combustion fuel type with the largest relative contribution to PM2.5 mass and mortality in each country. (B–D) The fractional contributions to PM2.5 mass and attributable mortality from solid biofuel combustion in the residential sector (B), coal combustion in the industry sector (C), and coal combustion in the energy sector (D). Note the color scale change between panels B and C–D.
