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Alfa-Bird (Alternative Fuels and Biofuels for Aircraſt Development), a European Union funded research project, tested existing biofuels and new alternative fuels as a means of ensuring the long-term viability of the international air transportation industry.

“We are looking at a potential fuel that is produced from common yeast,” said project coordinator Olivier Salvi. “This is quite innovative.”

Large-scale production of biofuels requires considerable amounts of plants and biofuel from stocks such as corn has pushed up food prices. Developing fuels from a living organism, for example yeast, could be a signifi cant step towards sustainable, renewable sources of energy that do not compete with the food chain. Its ease of genetic manipulation and cultivation could make yeast the next oil provider for biofuel production.

The specific conditions of flying, such as the cold high in the sky, together with the fact that aircrafts typically remain in use for decades, mean that fi nding suitable and economically viable alternatives to traditional fuels for air planes is not as easy as it may seem. Alfa-Bird researchers worked to produce a fuel involving a specifi c type of yeast, and they have been able to synthesise innovative molecules that could be used as renewable biofuel.

Germany-based EU-VRi – European Virtual Institute for Integrated Management oversaw the project’s coordination. The company was also responsible for the economic analysis of the use of diff erent types of alternative fuels being developed and tested by the Alfa-Bird team. The results of the project included comparisons of test fuels with fuels currently being used, as well as corrosion tests and economic assessments.

In the first part of the project, researchers looked at the viability of the new fuel products. Reducing CO2 emissions is a major element of the EU’s 2020 Strategy, so they also took into consideration the EU’s priorities to use more renewable fuels as well as the goals of the EU’s emissions trading scheme.

Because of the global character of the aviation industry, the sector would greatly benefi t if Alfa-Bird researchers were able to develop
a process to produce fuel anywhere in the world. Additionally, the local production of fuel would enhance the security of energy supplies and reduce the cost and environmental impact related to transporting fuel, Salvi added.
Further, producing fuels in the EU would create jobs and save fuel transportation costs.

Several major airlines have expressed an interest in the project’s end result. Many of these companies are paying attention to their
emissions, Salvi said. And the cost of fuel is becoming even a larger portion of their operating costs. It is therefore important for
airline companies to know in the future which fuels will replace those currently being used.

Alfa-Bird’s research will continue aſt er the end of the project. “We are not looking at what will be in the tank of the aircraſt in the next
10 years, but rather in the next 20 years,” Salvi said.

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