Find another planet and plant it with soybeans

Elliot Wilson says there isn’t enough arable land in the world to make plant-based fuels a viable alternative to oil

‘Biofuels?’ Ricardo Leiman gives an imperious snort, his eyebrows wobbling. ‘Bio­fuels?’ he repeats in an offended tone, as if asked to perform a lewd act. ‘There’s about 20 million tonnes of processed edible oil on the planet right now — not enough to fulfil 5 per cent of Europe’s energy needs, let alone any of the huge demand in the US, China, India or anywhere else.’