Research Article
US Agriculture under Climate Change: An Examination of Climate Change Effects on Ease of Achieving RFS2
Table 7
Feedstock-specific ethanol production in million gallons per year under alternative scenarios, 2030.
| | No RFS2 | RFS2 | | None | Hadley | Canadian | None | Hadley | Canadian |
| Cellulosic ethanol | | | | | | | Dedicated energy crops | | | | | | | Switchgrass | — | — | — | 12,744 | 12,804 | 9,011 | Hybrid poplar | — | — | — | — | 58 | 218 | Willow | — | — | — | 61 | 55 | 57 | Crop residues | | | | | | | Corn residue | — | — | — | 20 | 6 | 3,648 | Wheat residue | — | — | — | 15 | 91 | 31 | Sorghum residue | — | — | — | — | 7 | 18 | Rice residue | — | — | — | 6 | 1 | — | Processing residues | | | | | | | Bagasse | 250 | 250 | 250 | 735 | 558 | 598 | Sweet sorghum pulp | — | — | — | 106 | 106 | 106 | Grain ethanol | | | | | | | Corn | 13,544 | 13,544 | 13,544 | 14,985 | 14,985 | 14,985 | Barley | 23 | — | 1 | — | — | — | Oats | — | 23 | 22 | — | — | — | Sweet sorghum | — | — | — | 30 | 30 | 30 |
| Total | 13,818 | 13,818 | 13,818 | 28,701 | 28,701 | 28,701 |
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