While many of us are a bit sceptical about throwing different kinds of fluids into cars, AdBlue and is now commonplace for modern diesel cars.
The fluid cleans diesel exhaust gasses and effectively converts it into harmless water and nitrogen that gets expelled.
Many manufacturers such as Audi, Mercedes-Benz and BMW have been using the technology for their diesel engines for years
READ: Engen leads the drive to lower carbon emissions with AdBlue