Green skies ahead?

Using biofuels to power aircraft is becoming an increasingly realistic solution for reducing aviation's growing carbon footprint, say experts.

A recent study by US engineering company Honeywell and jet engineers Boeing and Rolls Royce, claims that a bio jet fuel blend could be certified and ready for use in two years. Major airlines, biofuel experts and jet engine constructors now believe biofuels could be ready for large-scale commercial use as soon as 2015. Indeed, just as Energy Risk went to