Sustainable Transport Fuels Business Briefing explains, for a global business audience, the latest developments in the world of sustainable transport. Not the vehicles or modes of transport themselves, but their means of propulsion. New technologies and players are coming and going with bewildering speed. Some observers are putting their money on electric vehicles, others on hybrids; some see electric vehicles as a mere stepping stone to hydrogen-powered fuel cell vehicles, already being seen on city streets. The mere mention of biofuels often provokes fierce arguments about their...