Energy technology innovation - improving how we produce and use energy - is critical for a transition towards sustainability. This book presents a rich set of twenty historical case studies of energy technology innovation embedded within a unifying conceptual framework. It provides insights into why some innovation efforts have been more successful than others, and draws important policy conclusions. The case studies cover a wide range of energy technologies, ranging from energy supply to energy end use, from successes to failures and from industrialized, emerging and developing economies....