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July 1st (2021) is the date set by the European Union to equip electric vehicles with an acoustic warning system
Electric vehicles start from the positive premise and advantage that their level of noise emissions is practically zero. However, despite its almost non-existent noise pollution, which is a very beneficial point for people’s health and the environment, there is an underlying debate about the “no noise” they emit and road safety.
The European Union requires newly approved electric vehicles, as of July 1st, 2021, to emit noise by incorporating an acoustic vehicle warning system (SAAV), also called AVAS System.
This system will have to be activated automatically from the start of the electric vehicle up to a speed of 20km/h, as well as when driving in reverse. Likewise, each manufacturer brand will be able to choose this sound of presence or departure of a vehicle, so it will be identified between one and the other according to its SAAV system.
Faced with this incipient particularity in urban electric mobility, the debate arises as to whether it is necessary to legislate in this sense, or favor driving aid system such as ADAS or IoT as the engine of transit to electric mobility. That is what electric vehicles are capable of generating respectful noise that further beneficts for people’s safety, while combating noise pollution.
Without going any further, the DGT (Spanish Traffic Department) has created a new sign to identify Low Emission Zones in municipalities with more than 50,000 inhabitants, in accordance with the new Climate Change law that establishes, those cities, exceed that population figure must have Low Emission Zones before 2023.
This new measure, which has begun to be applied in Madrid and in the Metropolitan Area of Barcelona, has taken its first steps every time efforts are glimpsed at the community level so that in European cities there are areas reserved for pedestrians or another series of measures to oppose noise pollution, such as the use of the electric vehicleo.
It is, for example, that through technology and Big Data – thanks to an IoT network installed through 5G-, the concept of smart cities is promoted. To do this, dynamic traffic management systems would be enabled that process data from thousands of vehicles continuously, with the aim of reducing traffic congestion and pollution.
In the other hand, using IOT and other technologies related to the drive assintans (ADAS), and also thanks to greater connectivity, the transition to electric mobility and towards a sustainable life in cities will be achieved, assuming a paradigm shift such as occurs with intelligent buildings or hydrological conservation systems, energy consumption or the decarbonization of an element such as hydrogen to give rise to green hydrogen, all of which have a direct influence on the society in the coming decades.
