BRUSSELS--(BUSINESS WIRE)--Nanoco Group plc (LSE:NANO), a world leader in the development and manufacture of cadmium-free quantum dots and other nanomaterials, confirms that Members of the European Parliament (“MEPs”) have voted against a proposed extension of an exemption to the Restriction of Hazardous Substances Directive (RoHS) which would have allowed the use of cadmium-containing quantum dots in Europe. Nanoco welcomes this decision by MEPs owing to the threat posed by cadmium to human he