Accelerants are substances that speed up the process of combustion, making fires burn more quickly and intensely. Common examples include gasoline, lighter fluid, and alcohol. These materials are often used in arson to help ignite and spread flames rapidly. In forensic investigations, identifying accelerants can be crucial for determining the cause of a fire. Investigators use specialized tools and techniques to detect traces of these substances at a fire scene. Understanding the role of accelerants helps in both fire safety and legal proceedings related to fire incidents.