VW Emission Scandal

VW Emission Scandal: What happened & what will happen next?


 | 4 minutes read

A Rationalization: VW emission scandal

The recent news of VW Emission scandal has left the die-hard VW fans in distress and has astounded the entire auto- world. This incidence has not only revealed the irresponsible behavior of the world’s largest automotive group but has also raised some serious concerns about their commitment towards the environment concerns! Let us discuss this most dramatic series of events and the sore scars it has left on the credibility of auto-world!

What happened exactly?

It all started when VW finally admitted that it has cheated the US Government and EPA (Environment Protection Agency, US) over the emission compliance of some of its Diesel vehicles.



Any vehicle that is sold in the United States is required to meet the stringent emission norms put in place by the EPA. These norms are issued in the interest of public safety and environmental protection. VW tried to bypass this routine procedure of obtaining the clearance from EPA by designing a vehicle that really meets the emission standards. Instead, they engineered a software (known as ‘defeat device’ as stated in the Clean Air Act) which detects when the vehicle is undergoing an emission test. Upon the detection, the software manipulates the performance of the engine in such a way that it reduces the amount of the outgoing pollutants like NOx. Thus, the vehicle clears the test. But thereafter, during the normal operating conditions, the emission performance of the vehicle reduces drastically making it emit as much as 40 times the permissible exhaust limit.

How do they cheat in the emission test?
How do they cheat in the emission test?

This information came into focus when EPA and CARB (California Air Resources Board) carried out an investigation of several VW models including Audi, in association with some researchers from West Virginia University. Upon demand of further explanations, the manufacturer admitted the use of defeat device.



The list of the affected vehicles is as follows (Diesel versions only):

Jetta (Manufacturing Year 2009 – 2015)
Jetta Sportwagen (Manufacturing Year 2009-2014)
Beetle (Manufacturing Year 2012 – 2015)
Beetle Convertible (Manufacturing Year 2012-2015)
Audi A3 (Manufacturing Year 2010 – 2015)
Golf (Manufacturing Year 2010 – 2015)
Golf Sportwagen (Manufacturing Year 2015)
Passat (Manufacturing Year 2012-2015)

The total number of vehicles with the defeat device sums to an astronomical figure of 11 million.

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