The answers given by the European Court of Justice in Cases
C-145/20 and C-873/19 are groundbreaking for consumer law. Indeed, these
decisions bring together two areas of law traditionally kept apart. They
coordinate private law and technical regulations concerning polluting emissions
in the light of the need to ensure both consumer and environmental protection.
The approach suggests an evolutive interpretation of national law, capable of
collecting contemporary regulatory trends and implementing the principle of
sustainable development.