Legislation is increasingly dictating the use of odourless, less harmful materials. The 'new car smell' is on its way out, as regulatory bodies turn their attention to airborne chemicals emitted by plastics, glues, textiles and other materials that make up car interiors, pressuring manufacturers to adopt purer, odourless alternatives. Eight substances that commonly diffuse from car interiors, particularly in the early stages of cars' lives, have been identified as having an adverse effect on occupants. Dubbed volatile organic compounds (VOCs), they are: acetaldehyde, acrolein, benzene, ethylbenzene, formaldehyde, styrene, toluene and xylene.
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