Diesel Cars Under Fire: The Fight Against Air Pollution

Simon Wells
Authored by Simon Wells
Posted Friday, February 3, 2023 - 11:03pm

Diesel engines have traditionally been favoured because of their ability to go large distances while using little fuel. However, due to its effects on air pollution and the environment, the diesel car sector is under growing pressure. Despite the numerous advantages of diesel technology, air pollution from diesel vehicles is a serious issue that endangers the health of millions of people worldwide and harms the environment.

Diesel Vehicles' Detrimental Effects on Air Pollution

Air pollution caused by diesel cars is a serious public health concern, contributing to various respiratory and cardiovascular problems. When inhaled, hazardous pollutants such as nitrogen oxides (NOx) and particulate matter found in the emissions from diesel engines can result in major health issues. Diesel engine exhaust has been identified by the World Health Organization as a carcinogen and has been associated with an increased risk of lung cancer, heart disease and stroke.

Certification and Testing

The requirement for reliable and accurate testing of diesel engines is one of the major problems with diesel vehicles and air pollution. There have been allegations against numerous automakers that they cheated on emissions tests, giving rise to diesel emission claims. Real Driving Emissions (RDE) is a test that the European Union (EU) uses to assess vehicle emissions while driving under actual conditions. This test aims to guarantee that diesel vehicles adhere to the EU's emissions regulations and close the gap between emissions measured in a lab and those produced while driving.

Governmental Rules

Globally, governments are acting to solve the issue of diesel emissions and air pollution. To reduce the quantity of NOx emissions from diesel vehicles, the EU implemented the Euro 6 emissions standard. The European Commission is also considering enacting stricter measures to limit diesel vehicle emissions significantly. There is pressure for diesel automobiles to have comparable limitations after the US Environmental Protection Agency announced new rules to reduce emissions from diesel trucks.

The Transition to Alternative Fuels Alternative fuel sources are becoming more popular as air pollution and diesel emissions become more of an issue. Governments are providing incentives to encourage the transition to these cleaner technologies as electric cars (EVs) and hybrid vehicles gain popularity. Additionally, consumers are finding EVs a more attractive alternative due to the expansion of charging infrastructure and the quick advancement of battery technology. As a result, several automakers are investing in creating EVs and hybrid vehicles.

The Role of Car Manufacturers

Automakers are incredibly important when it comes to solving the issue of diesel emissions and air pollution. To minimise emissions from diesel engines, many automakers are investing in developing new technologies, such as using cleaner diesel fuel, including particulate filters, and utilising selective catalytic reduction (SCR) systems. These technologies have the potential to cut diesel engine emissions drastically, but their efficacy depends on widespread industry adoption.

Air pollution caused by diesel cars is a growing problem affecting the health of millions of people and damaging the environment. The pressure on the diesel auto sector is escalating due to a lack of reliable and consistent testing, ineffective government regulation of diesel emissions and a move towards alternative fuels. Diesel engine emissions must be reduced, and automakers must make investments in the creation of cleaner technologies. The ability of the industry to address the issues of air pollution and produce cleaner, greener vehicles that suit the needs of consumers and the environment will determine the future of diesel cars.

 

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