Planet savers: do they pass their practical?

Every self-respecting car maker needs an eco-friendly vehicle in its range. No manufacturer accepts blame for global warming, but most accept they are going to be demonised if they don

By no means everyone acknowledges a link between man-made CO2 and global warming in any case. Nonetheless, there are 30m cars on UK roads alone, each pumping hundreds of kilograms of CO2 into the atmosphere every year. The number is growing, as is the average number of miles travelled each year.

The other issue is oil. President George Bush said in his state of the union address last week that the world needed to find alternative energy sources.