The length of time the fuel will stay fresh in a sealed drum depends on the fuel itself. A non oxygenated fuel such as C12 should be used within a couple years. The best way to prevent microbial growth in fuel is to lessen the exposure of the diesel fuel to water. There are various procedures that can do this such as recycling of fuel through water separations and routinely discharging the water bottoms where the microbes grow. Fuel tank insulation, a procedure to stabilize fuel temperature, can also How Long Does Diesel Fuel Last? Under optimal conditions and assuming the quality of the fuel is high, you can expect it to last for up to one year or more. At higher temperatures (86 degrees Fahrenheit and above), this estimate decreases. Diesel fuel should last a long time if it is kept clean and dry unlike E10 gasoline which actually tends to trap water in it over time. Age of the fuel should not be an issue if the tank (s) are kept clean and dry and the fuel source is also clean. 01-08-2009, 00:30. # 4. Ensure that the container is completely dry before adding the diesel fuel. Moisture can lead to the formation of condensation and promote microbial growth, affecting the fuel quality. Check seals and gaskets: Inspect the seals, gaskets, and other closure mechanisms of the storage container. Check out this video for more info about the best boat fuel for your boat. How Long Does Boat Fuel Last? Believe it or not, boat fuel does have a shelf life. This shelf life can range from 90 to 120 days (3 – 4 months). It is because gasoline will oxidize over time which renders it useless. Water is denser than fuel, so in its separated state, it will remain on the bottom of your fuel tank. The continual presence of water can block fuel lines and filters, damage fuel injector tips, lead to corrosion and acid formation, as well as support microbe growth in diesel fuel, making the case for K-100 all the more appealing. DEF is used to reduce NOX in the SCR, typical useage is 2-3% of fuel consumption, so 3 gallons of DEF for every 100 gallons of fuel would be about right. That being said if the sensors in the system see underperformance of NOX reduction they will pour DEF into the system trying to meet emissions standards. TRUSTED. GUARANTEED. 60 Ocean State Drive, North Kingstown, RI 02852 | 1.800.GET.HOWES (438-4693) Our Diesel Conditioner & Anti-Gel is safe, effective & loaded with the latest and greatest, performance-enhancing technology. It's also the best solution to fight gelling in colder climates. How long can you store diesel fuel? Diesel fuel can only be stored from 6 to 12 months on average — sometimes longer under the best conditions. Generally, to prolong the life of the quality of stored diesel fuel, it should be: NFPA 110 refers to diesel “Storage Life,” 1.5 to 2 years. Is it better to fill fuel tank full? G7T5qoy.