The palm oil industry has been the center of environmentalists' focus because of widespread deforestation going on (especially in Indonesia) blamed on some palm plantation owners.
Unilever have already promised to sustainably source their palm products feedstock while European fuel producer Neste Oil announced yesterday that they too will use solely certified sustainably-sourced palm oil for their biodiesel production by the end of 2015.
In the US and South America, however, soybeans are the main feedstock used for biodiesel production. South America is also the target of environmetalists' ire as soybean farming (Argentina and Brazil are the world's largest producers aside from the US), threaten to destroy some of the region's forests and savannahs.
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