A company spun off from the Swiss Federal Institute of Technology is seeking to crowdfund a patented exhaust gas purification system for all ship fuels.

It will be boulted on what Daphne Technology said are proven technologies.

The company is partnering Crowdcube, the world’s largest crowdfunding platform, to offer equity to the public.

Initial target is for €400,000 ($485,299) and said it hopes "for double, and would be great to reach €1m".

The move comes after it already raised €8m ($9.7m)