Fast pyrolysis for liquids has been developed in recent decades as a fast and flexible method to provide high yields of liquid products. An overview of this promising field is given, with a comprehensive introduction as well as a practical guide to those thinking of applying bio-oils or fast pyrolysis liquids in various applications. It updates the literature with recent developments that have occurred since the reviews cited herein. Part I gave an introduction to the background, science, feedstocks, technology and products available for fast pyrolysis (1). Part II details some of the promising applications as well as pre-treatment and bio-oil upgrading options. The applications include use of bio-oil as an energy carrier, precursor to second generation biofuels, as a biorefinery concept and upgrading to fuels and chemicals.

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