SQUEEZING POWER FROM POND SCUM

Seeing Green

SQUEEZING POWER FROM POND SCUM

The merits of renewable fuels abound, but so do limiting factors. We can already produce biofuels to run our cars, but if it costs $10 per gallon and requires petroleum products for production, why bother? We must see green—economic and environmental—if we seek to reduce our dependence on fossil fuels.

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