From: Well-to-wake analysis of ethanol-to-jet and sugar-to-jet pathways
References | Feedstock | Co-products | Co-product handling methods | WTWa GHG emissions (g CO2e/MJ) | Note |
---|---|---|---|---|---|
Cox et al. [25] | Sugarcane | Sugar, electricity, steam | Displacement | 80 | Including indirect impact from increased sorghum production |
Market value allocation | 22 | ||||
Moreira et al. [26] | Sugarcane | Electricity, yeaste | Displacement | 8.5 | With LUC emissionsa (12Â g CO2e/MJ) |
Staples et al. [27] | Sugarcane | Electricity | Displacement | −4.9 (−27 to 2.1) | Without LUCb |
 |  |  | Market value allocation | 12.7 (6.8 to 19.7) |  |
 | Corn | Distiller dry grains with solubles | Displacement | 65.6 (50.1 to 117.4) | Without LUCc |
 |  |  | Market value allocation | 62.6 (47.6–117.5) |  |
 | Switchgrass | Electricity | Displacement | 37.4 (11.7 to 89.8) | Without LUCd |
 |  |  | Market value allocation | 37.4 (17.3 to 89.8) |  |
Budsberg et al. [28] | Poplar | Electricity | Displacement | 60 to 66 | Without LUC; H2 from NG SMR |
 |  |  | Displacement | 32 to 73 | Without LUC; H2 from biomass gasification |