The U.S. should invest in bio-based energy sources such as cellulosic ethanol to "bolster its national security, reduce the impact of oil price swings, and become the world leader in the energy -- and the economy -- of tomorrow," writes Steen Riisgaard, president and CEO of Novozymes. To ramp up cellulosic ethanol production, U.S. lawmakers must enact policies that would boost investments in biobased technologies and infrastructure, and direct research and development grants to biobased technologies, Riisgaard writes.

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