Greening the Corn Belt: Low-carbon-intensity ammonia’s role in the future of sustainable corn production DOI
Mariam Arzumanyan, Ning Lin, Haoying Wang

et al.

Journal of Renewable and Sustainable Energy, Journal Year: 2024, Volume and Issue: 16(6)

Published: Nov. 1, 2024

Ammonia production is a significant source of carbon emissions globally, particularly in the agricultural sector, where it extensively used as fertilizer. This research suggests potential avenue to reduce footprint corn for biofuels US Corn Belt. Conventional methods producing nitrogenous fertilizers derived from ammonia are responsible highest CO2 life cycle production. We estimate that total can be reduced 3.09 kg 2.07 per bushel (33% reduction) when conventional replaced with green ammonia. If blue capture and storage, 2.27 (26% reduction). Despite these environmental benefits, our economic analysis reveals even policy incentives such 45Q 45V tax credits, low-carbon-intensity not yet cost-competitive Renewable (green) ammonia, instance, remains significantly more expensive at $532 (2024 Dollar) metric ton compared $249 ton. Blue credit, costs $289 ton—still higher than However, tiered $85 applied raising its cost $326 ton, becomes cost-competitive, but still lags behind. highlights need pricing policies enable shift toward lower-carbon production, credits alone insufficient close gap.

Language: Английский

Greening the Corn Belt: Low-carbon-intensity ammonia’s role in the future of sustainable corn production DOI
Mariam Arzumanyan, Ning Lin, Haoying Wang

et al.

Journal of Renewable and Sustainable Energy, Journal Year: 2024, Volume and Issue: 16(6)

Published: Nov. 1, 2024

Ammonia production is a significant source of carbon emissions globally, particularly in the agricultural sector, where it extensively used as fertilizer. This research suggests potential avenue to reduce footprint corn for biofuels US Corn Belt. Conventional methods producing nitrogenous fertilizers derived from ammonia are responsible highest CO2 life cycle production. We estimate that total can be reduced 3.09 kg 2.07 per bushel (33% reduction) when conventional replaced with green ammonia. If blue capture and storage, 2.27 (26% reduction). Despite these environmental benefits, our economic analysis reveals even policy incentives such 45Q 45V tax credits, low-carbon-intensity not yet cost-competitive Renewable (green) ammonia, instance, remains significantly more expensive at $532 (2024 Dollar) metric ton compared $249 ton. Blue credit, costs $289 ton—still higher than However, tiered $85 applied raising its cost $326 ton, becomes cost-competitive, but still lags behind. highlights need pricing policies enable shift toward lower-carbon production, credits alone insufficient close gap.

Language: Английский

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