What potential safety hazards are associated with EV batteries?

The potential safety hazards associated with EV batteries primarily include thermal runaway and chemical leaks. Thermal runaway is a condition where a battery overheats due to internal short circuits, degradation, or external heat sources, leading to a rapid increase in temperature and potential fires or explosions. This is a significant concern with lithium-ion batteries often used in electric vehicles, as the volatility of the materials can lead to dangerous situations if not properly managed.

Chemical leaks refer to the release of harmful substances from damaged or improperly handled batteries. These substances can be toxic and pose environmental and health risks. In the event of a collision or improper disposal, these battery chemicals can leak, leading to contamination and posing a hazard to emergency responders and the environment.

The other options focus on aspects like pollution, fuel consumption, and vehicle speed that do not directly relate to the inherent risks associated with battery technology in electric vehicles. While environmental pollution is a concern, it stems from broader issues and is not a direct hazard related to battery safety. Additionally, increased fuel consumption and reduced vehicle speed in emergencies do not pertain to electric vehicles’ battery safety hazards.