The Dieselgate diesel emissions scandal took the automotive industry by surprise and affected thousands upon thousands of car owners. Carmakers all over the world have had to deal with the repercussions of the scandal long after it broke. Diesel-powered vehicles now conjure negative connotations for many car owners. Affected customers have also had to deal with the effects of the illegal defeat device on their vehicles.

However, the biggest victim of the scandal is the environment, specifically the quality of the air around us.

Air pollution has been a global issue for years, long before the diesel emissions scandal happened. These days, though, the situation has become more challenging because of the repercussions of the use of illegal defeat devices in diesel vehicles. The air we breathe has become too dangerous for us.

According to a 2017 Environmental Health Analytics study, nitrogen oxide (NOx) emissions that are way above the World Health Organization’s regulated limits are linked to approximately 38,000 premature deaths all over the world. Most of the deaths were recorded in Europe, in places that focused more efforts on reducing CO2 or carbon dioxide over NOx emissions.

Affected Air Quality

What was the Dieselgate scandal about?

Initially, only the Volkswagen Group was involved in the Dieselgate scandal. It was September of 2015 when the United States Environmental Protection Agency (EPA), along with the California Air Resources Board, discovered illegal defeat devices installed in Audi and Volkswagen vehicles. The US authorities accused VW of knowingly using the devices in their vehicles, which were sold in the American automobile market.

Initially, the VW group denied the allegations. Their officials later admitted knowing about the defeat devices.

Defeat devices are used to cheat emissions tests. They can detect when a vehicle is in testing and once they do, they artificially reduce emissions levels so these would stay within the WHO limits. As such, inside the lab, the vehicle appears clean and efficient. When it is brought out and driven in real-world road conditions, though, the vehicle emits voluminous amounts of NOx at levels that are over the WHO and EU limits.

In light of this, it’s easy to see that vehicles with defeat devices are heavy pollutants. They do the environment more harm than good and can put a person’s health in danger.

Volkswagen marketed their diesel vehicles at premium prices and guaranteed that they were clean and safe. In reality, they lied and mis-sold the vehicles. Customers who thought they were driving environmentally friendly vehicles were deceived as they actually contributed toxic emissions every time they were on the road.

Aside from Volkswagen, other car manufacturers were also implicated in the diesel emissions scandal. Around two years after the Dieselgate scandal first broke, US owners of Mercedes-Benz diesel vehicles joined together and planned to file a class-action lawsuit against the carmaker for the alleged use of defeat devices. However, the Mercedes emissions scandal officially reached Europe and the UK shores only in 2020.

Other manufacturers involved in the diesel emissions scandal include BMW, Renault, Alfa Romeo, Peugeot, Nissan, Jeep, Vauxhall, Citroën, and Ford, among others.

What about NOx emissions, what are they? How have they affected air quality?

NOx or nitrogen oxide emissions contain a combination of nitric oxide (NO) and nitrogen dioxide (NO2). Along with hydrocarbons, particles, and carbon monoxide, NOx emissions are considered primary road transport pollutants. They have life-changing impacts not only on the environment but on human health as well.

In 2018, road transport, particularly NOx, made up 31% of the total emissions in the UK. Over the years, nitrogen oxide emissions have been linked to thousands upon thousands of deaths in the UK. In fact, several studies and reports have described toxic air as more dangerous than smoking as it causes more deaths globally compared to cigarettes and tobacco.

The numbers go back to as early as 2005, with over 60,000 deaths in the UK linked to air pollution.

Additionally, exposure to NOx emissions can cause adverse health conditions.

If a person is constantly exposed to nitrogen oxide emissions, they can develop respiratory illnesses such as bronchitis and emphysema, their airways can get inflamed, and their susceptibility to lung cancer, heart disease, and stroke increases.

Other health impacts include asthma and aggravated asthma, asphyxiation, spasm of the vocal cords (also known as laryngospasm), fluid in the lungs, and breathing problems. High-level exposure to NOx emissions may lead to premature death, as was the case of nine-year-old Ella Kissi-Debrah who died after a severe asthma attack. She was constantly exposed to high levels of toxic air in the South Circular Road area, where she and her mother lived. In December 2020, after an inquest, the coroner ruled Ella’s death was caused by air pollution.

So, what should affected car owners do?

Car owners affected by the diesel emissions scandal are encouraged to bring their carmakers to court through emissions claims. If their claim is successful, they will be compensated by the courts for the inconvenience their manufacturer caused them.

To start your diesel claim, you have to first verify if you are eligible for legal action against your carmaker. Get in touch with now; they know exactly what you need and how to help you.


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