5 finalists from Europe and Asia compete in the Green Challenge Competition

Bluerise prototype energygrid fpr Ocean Thermal Energy Conversion (OTEC)

Bluerise prototype energygrid for Ocean Thermal Energy Conversion (OTEC)

Five green start-ups from the Netherlands, the United Kingdom, France and Vietnam will compete in the finale of the Green Challenge, an annual worldwide competition for green start-ups. September 11th finalists Diego Acevedo, Devin Malone, Arthur Kay, Pierre-Yves Cousteau and Trang Tran will present their ideas in Amsterdam.

For the eight year, the Green Challenge issued a worldwide call for inventions that reduce carbon emissions. The international competition aims to help green start-ups bring their innovative, sustainable products and services to market. The jury will award the €500,000 grand prize. A runner-up prize of €200,000 is available for one or to be divided between two other promising finalists.

The finalists

Bio-bean ltd, UK: Arthur Kay
Bio-bean uses a patented process to upcycle waste coffee grounds into two Advanced Biofuel products: biodiesel and biomass pellets, used for powering buildings and transport systems.

Bluerise (The Netherlands): Diego Acevedo
Bluerise develops a technology that uses temperature differences in the oceans to generate electricity and cooling. Bluerise enables tropical islands and coastal regions to become 100% energy independent and save up to 90% on cooling related electricity use.

Fargreen (Vietnam): Trang Tran
Most of the world’s rice is produced in Asia where the most common method for rice straw waste disposal is burning. This releases millions of tons of Green House Gases (GHG) every year. Fargreen works with local rice farmers to divert the straw from burning and, using Fargreen’s technology, use it as a substrate to produce high quality mushrooms. In doing so, Fargreen stops the release of GHG and helps farmers escape poverty, increasing their income by 50%.

One Nights Tent (The Netherlands): Devin Malone
Tens of millions of people camp at music festivals annually. But when the music stops, one in four campers leave their equipment behind as waste. One Nights Tent produces recyclable tents. Users pre-purchase their gear online and receive it right on the festival campsite. Afterwards One Nights Tent recycles or composts anything left behind.

Turbosail (France): Pierre-Yves Cousteau
Turbosail™ develops an efficient wind propulsion technology for seagoing vessel operators, which is proven to deliver a 30% average reduction in fuel consumption as prototype. The Turbosail functions like an airplane wing; creating an aerodynamic power which lifts the vessel and pushes it forward.



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