To lessen emissions in the cities, the EU suggested tighter regulations for the most recent generation of combustion engines. The EU said that the new regulations for the Euro-7 generation of engines would lead to further reduction in nitrous oxide emissions by diesel engines by around a fifth. Nitrous oxide harms the respiratory system, infecting lungs and worsening asthma in addition to resulting in chronic lung diseases.
In an announcement, the EU stated that “transportation is the biggest source of pollution in towns” adding that the new restrictions will result in a reduction in nitrous oxide emissions by a third by 2035 from the level permitted under the existing rules. The EU also stated that “the ecology and the safety of our residents will be protected by the new Euro 7 standards, which will guarantee cleaner automobiles on our roads and enhance air quality.”
According to GlobalData, the trend in the past few years shows that Germany emits the highest amount of GHGs among France, Italy, Germany, Turkey, and Spain – the top five countries in Europe.
The implementation of the regulations, which requires approval by member states and the European Parliament, has been postponed several times due to disagreements about what should be included. Gasoline engines will continue to emit 60 milligrams of nitrous oxide per kilometer, and diesel engines will be restricted to that level, which is stricter than the 80 milligrams of nitrous oxide permitted under the Euro-6 regulations. The regulations also include restrictions on tire and brake particle emissions, which also apply to electric vehicles. According to studies, brake wear is one of the main causes of non-exhaust road traffic emissions in cities.
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