Can Brazil replace 5% of the 2025 gasoline world demand with ethanol?

Rogério Cezar de Cerqueira Leite, Manoel Regis Lima Verde Leal, Luís Augusto Barbosa Cortez, W. Michael Griffin and Mirna Ivonne Gaya Scandiffio

Energy, 2009, vol. 34, issue 5, 655-661

Abstract: Increasing use of petroleum, coupled with concern for global warming, demands the development and institution of CO2 reducing, non-fossil fuel-based alternative energy-generating strategies. Ethanol is a potential alternative, particularly when produced in a sustainable way as is envisioned for sugarcane in Brazil. We consider the expansion of sugarcane-derived ethanol to displace 5% of projected gasoline use worldwide in 2025. With existing technology, 21 million hectares of land will be required to produce the necessary ethanol. This is less than 7% of current Brazilian agricultural land and equivalent to current soybean land use. New production lands come from pasture made available through improving pasture management in the cattle industry. With the continued introduction of new cane varieties (annual yield increases of about 1.6%) and new ethanol production technologies, namely the hydrolysis of bagasse to sugars for ethanol production and sugarcane trash collection providing renewable process energy production, this could reduce these modest land requirements by 29–38%.

Keywords: Fuel ethanol; Brazilian potential; Research and development; New technologies; Sugarcane (search for similar items in EconPapers)
Date: 2009
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Citations: View citations in EconPapers (33)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:34:y:2009:i:5:p:655-661

DOI: 10.1016/j.energy.2008.11.001

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