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Biofuels (including Bio Diesel)

Oil boom threatens the last orang-utans

A famous British company, Jardines, is profiting as the lowland forest – which shelters the few remaining orang-utans – is razed to make way for massive palm oil plantations, reports Kathy Marks in Tripa, Indonesia

The toxic 'wonder plant' that split world food summit

It's no beauty queen – the stems are long, scrawny and leafless and the pods dangle from the twigs like scorched testicles. Untreated, the seeds are so poisonous that as few as three can kill, while even a small amount induces nausea – hence the jatropha plant's nickname, "black vomit nut".

Daniel Howden: Brazil's experience testifies to the downside of this

The apostles of biofuels would have us believe that the congested streets of Sao Paulo offer a glimpse of a better future. There, traffic jams are made of flex-fuel cars that run off a growing menu of bio and fossil fuel mixtures and all filling stations offer "alcohol" and "gas" at the pump.

Volvo C30 1.8F SE Sport - The Verdict

Are we ready for these fuelish things?: Bioethanol could help save the planet - if you can find a pump. David Wilkins and our testers try it out in a Volvo C30