What is the flash point of oil?

[StJayla]

The flash point range of gasoline: -50 to -20°C, while diesel has a flash point above 55°C. The flash point is a safety indicator for the storage, transportation, and use of flammable liquids, as well as a measure of their volatility. Flammable liquids with lower flash points are more volatile, easier to ignite, and have poorer safety. Reasons for a strong gasoline smell during cold car starts: 1. At very low external temperatures, when the water temperature and exhaust pipe temperature are low, combined with the extremely cold external conditions during winter driving, the air-fuel mixture becomes richer. As a result, some of the mixture does not burn completely and is directly expelled through the exhaust pipe, leading to a noticeable gasoline smell. 2. Another possible cause could be issues with the carbon canister or carbon canister solenoid valve, resulting in an overly rich mixture during startup. 3. If the local temperature is very low and there is excessive carbon buildup inside the engine, leading to poor atomization of the air-fuel mixture, this phenomenon can also occur.