Can you increase the flashpoint of diesel?

Yes, the flashpoint of diesel can be increased by blending it with certain additives or by using higher-quality refining processes that remove lighter hydrocarbons. Additionally, the incorporation of specific compounds, such as certain alcohols or esters, can elevate the flashpoint. However, altering the flashpoint may also affect other properties of the fuel, so any modifications should be carefully considered to ensure compliance with safety and performance standards.