The European Union's Framework Directive on Eco-design Requirements for Energy Using Products (EuP), or the third-generation "green barrier", was implemented on Saturday.

The EuP standard puts stricter environmental requirements on energy-using products' life cycle assessment and, therefore, exercises restrictive influence on those products' design, manufacture, use, maintenance and retrieval.

Compared to the EU's two earlier green barrier directives, the EuP directive imposes stricter requirements, has a wider scope and will have a greater impact on the business of relevant firms.