Quiz: What is the significance of the ‘octane rating’ in gasoline? September 3, 2025 by Alex Turner What is the significance of the ‘octane rating’ in gasoline? Discover more about Vehicle Engine and Automobile at our home page. A) It indicates the fuel’s ability to resist knocking during combustion. B) It measures the fuel’s energy content. C) It determines the fuel’s viscosity at high temperatures. D) It reflects the environmental impact of the fuel. Submit Answer