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David Babson, Ph.D.
Senior Engineer
Union of Concerned Scientists
Diversity & Flexibility
Key to Sustainability
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Biofuels Pathways are Diverse
• General perception of biofuels are limited to corn ethanol and soybean biodiesel
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Biofuels Pathways are Diverse
• General perception of biofuels are limited to corn ethanol and soybean biodiesel
• Biofuels are important and they are so much more than corn ethanol and soybean biodiesel
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Biofuels Pathways are Diverse
• General perception of biofuels are limited to corn ethanol and soybean biodiesel
• Biofuels are important and they are so much more than corn ethanol and soybean biodiesel
• Acknowledging biofuel diversity and evolving technology has important implications
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The Traditional Biofuel Paradigm
Feedstock
Corn starch
Process
Fermentation
Fuel
Ethanol
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The Traditional Biofuel Paradigm
Feedstock
Corn starch Corn stover
Process
Fermentation
Fuel
Ethanol
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Cellulosics: The non-food fuels
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Cumulative Cellulosic Biofuel Produced
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Cellulosics: The non-food fuels
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Cumulative Cellulosic Biofuel Produced
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Cellulosics: The non-food fuels
0
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Cumulative Cellulosic Biofuel Produced
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This is different… Right?
Feedstock
Biogas from…
Fuel
CNG, LNG and Electricity
Process
Any
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It’s Complicated
Feedstock Conversion Process Fuel
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Harmful Cycle of Misinformation
Misconceptions
Traditional paradigms Food versus fuel
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Embrace Diversity & Work Together
• Ask how biofuels can be made better – support research
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Embrace Diversity & Work Together
• Ask how biofuels can be made better – support research
• Embrace technical complexity and regulatory nuance – approve appropriate pathways
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Embrace Diversity & Work Together
• Ask how biofuels can be made better – support research
• Embrace technical complexity and regulatory nuance – approve appropriate pathways
• Push the biofuels debate beyond food versus fuel – look forward not back