The need for sustainable biofuels has initiated a global search for innovative technologies that can sustainably convert nonfood bioresources to liquid transportation fuels. While 2nd generation cellulosic ethanol has begun to address this challenge, other resources including yellow and brown grease are rapidly evolving commercial opportunities that are addressing regional biodiesel needs. This review examines the technical and environmental factors driving the collection of trap FOG (Fats, Oils, and Greases), its chemical composition and technologies currently available and future developments that facilitate the conversion of FOG into biodiesel.

Citation: Ragauskas AME, Ragauskas AJ (2013) Re-defining the Future of FOG and Biodiesel. J Pet Environ Biotechnol 4:e118.

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A quick examination of today's biorefining leaders in government, academia and industry brings to mind a group of experts in the prime of their life. Nonetheless, the field has attracted numerous students globally which will become the generation that converts the vision to an established industry. To reflect their interests, I asked several graduate/undergraduate students involved in the field to provide “Twitter‐like” definitions of the “A, B, C” of biorefining, which have been summarized below: