What is a key feature of military-grade fuels?

Military-grade fuels are specifically engineered to meet rigorous demands and operate effectively in various environmental conditions. One of the key features of these fuels is their enhanced stability and performance. This means they are formulated to withstand extreme temperatures, pressures, and harsh conditions that might be encountered during military operations.

Enhanced stability ensures that the fuel does not degrade or form deposits over time, which is critical for maintaining engine performance and reliability in combat scenarios or during long-term storage. Additionally, the performance aspect relates to the fuel's ability to ignite quickly and burn efficiently, making it suitable for the high-stakes environments in which military operations occur.

In contrast, while other options may hold some truth—such as military fuels potentially having higher energy content compared to some commercial variants—this does not capture the essence of what distinguishes military-grade fuels. The focus on stability and robustness against various operational challenges highlights why option B is the most appropriate choice.