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Mexico's aviation industry invests in biofuels

28 November 2011 Last updated at 06:22 GMT

In Mexico, airlines are increasingly using a mixture of fossil fuels and biofuels in an attempt to become pioneers in what they say are 'greener' flights.

But, as Julian Miglierini reports, while parts of the country hope the new fuel will bring prosperity, not everyone is convinced by the idea.