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