Biofuels: Fill your tank with nature

You may not have noticed, but Britain
This is the vision of the biofuels lobby, until recently dismissed as being as far-fetched as El Dorado. But the biofuels solution to eco-motoring is gradually becoming a reality.

While hybrid petrol-electric motors such as the Toyota Prius hog the headlines, many believe the environmental benefits of hybrids have been overplayed. And the holy grail of clean motoring