Questions Cloud EU Emissions Test Law

A European court has demonstrated the challenges faced by European Union automakers in following EU vehicle-emissions rules. Not only are they complex, but the EU’s complicated decision-making system also can open the rules to legal challenges.

The case in point has left car companies confused over a ruling by an arm of the EU’s General Court of the European Court of Justice that the EU’s executive branch, the European Commission, exceeded its powers when easing mandatory nitrogen oxides (NOx) limits under the EU’s Euro 6 emissions standards.