Have you ever read this article?

Muñoz, Lucio, 2008.   Agriculture and Global Warming:  Should the Biofuel Route Be Expected to Be a Socially Friendly Agricultural Policy?, In: Biocombustibles, REDESMA, Vol. 2(2), Section VIII, July, La Paz, Bolivia.

https://www.researchgate.net/publication/281276235_Agriculture_and_Global_Warming_Should_the_Biofuel_Route_Be_Expected_to_Be_a_Socially_Friendly_Agricultural_Policy