Total_co2-kwh_PGE_grid_mix.jpg (500 × 200 pixels, file size: 34 KB, MIME type: image/jpeg)
PGE Grid Mix 2008: Total Co2 in lbs/kwh
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current | 22:44, 14 December 2009 | 500 × 200 (34 KB) | Shantown1 (talk | contribs) | PGE Grid Mix 2008: Total Co2 in lbs/kwh |
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