How does Jet A compare to Jet B fuel?

Jet B is indeed designed for extremely low temperatures, which is a critical advantage for aircraft operating in very cold environments. It is a kerosene-type jet fuel that has a lower freezing point compared to Jet A. This property allows Jet B to remain in a liquid state at lower temperatures, making it suitable for operations at high altitudes or in polar regions where temperatures can drop significantly.

The formulation of Jet B includes a higher concentration of volatile components, which aids in its performance in low temperatures. However, this also means that Jet B can present challenges in terms of volatility and fuel management compared to Jet A, particularly in warmer weather or in standard operating conditions.

In contrast to other options, while additives in fuel are important for various properties, Jet A is more commonly used and tends to have a more stable composition, which is specifically designed for safety and performance. Jet A being a blend of gasoline and alcohol is misleading, as its composition is primarily kerosene with additives, thus that characterization does not accurately represent either fuel.