“…The equivalent to smell for the automated driver Machine olfaction devices have been utilised for the past 30 years in a wide variety of commercial industries, and work similarly on humans by converting chemicals to electrical signals (Li et al, 2014). There are a number of different sensors available that cover various gases and pollutants (Galatsis & Wlodarski, 2006), but they are currently not being used in vehicles for other purposes than to assess the presence of hazardous fumes, or the pleasant smell of new cars (Li et al, 2014). However, the use of machine olfaction is being researched to provide indications of car problems.…”