Back in June of 2007, the powers-that-be in Europe officially introduced EURO 5 emissions regulations (.pdf link), and these standards are ... cycles through the EURO 4 requirements in 2012 ...

Back in November, the European Commission published an initial proposal for the upcoming Euro VI emission standards ... reduction in NOx (down to 0.4 g/kWh ) and a 66 reduction in the PM emission ...

the RTA has plans to gradually adopt the more strict Euro 4 and 5 standards. How is the air pollution being monitored currently? Currently, the air pollution is monitored through the emission ...

Low Emissions Zone (ULEZ) is well-publicised but other cities' Clean Air Zone (CAZ) rules are inconsistent and confusing for motorists. Our guide clears the fog. What is a CAZ? We explain all Find out ...

emissions for the clean air zones. The ULEZ standard for passenger cars is Euro 4 (or equivalent) for petrol cars and Euro 6 (or equivalent) for diesels, and it’s important to remember that it ...