Quiz: What is the significance of the octane rating in gasoline? June 21, 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 measures the fuel’s ability to resist knocking during combustion. B) It indicates the fuel’s energy content in megajoules. C) It reflects the fuel’s viscosity and flow characteristics. D) It determines the fuel’s environmental impact and emissions. Submit Answer