4. New Generation Biofuels ( NGBF) Company Profile: New Generation Biofuels is a renewable-biofuels provider that is marketing a new class of "second generation" biofuels for use in diesel-fuel applications, including power generation, commercial and industrial heating, and marine transportation. Altman Z-score: -64 Closing Price: 18.5 cents (Sept. 15) Financial Metrics: Like EpiCept, New Generation Biofuels has a negative book value per share. New Generation Biofuels' quick ratio, which measures the ability to meet short-term obligations with its most liquid assets, is a mere 0.1, indicating the company would have difficulty meeting its current liabilities. Analyst Consensus: The sole analyst covering New Generation Biofuels has a "buy" rating on the stock.