Chances are good that if you own a smaller boat that you trailer, you have filled up your marine fuel tank with automobile gas or diesel fuel oil. But is this really good practice? Here we explain why you should skip the local auto gas station and instead find a local marine fuel dock to fill your boat engine with marine gas oil or marine diesel oil.
Though marine gas oil and marine diesel oil is almost the equivalent to automobile fuel oils, there are significant differences. Marine fuel is classified differently than other fuels.
MGO (Marine Gas Oil) is similar to No. 2 fuel oil. It is a distillate fuel oil, which means it is distilled from crude oil. MDO (Marine Diesel Oil) blends heavy fuel oil and some waste products and has a low viscosity. This low viscosity keeps it from having a higher flash point, like marine gas oil.
Automobile oil needs to be stabilized in order to work well in marine engines and to limit the risk of damage. There is a lot of discussion about the damage caused to marine engines by the ethanol in gasoline. For this reason, marine gas oil and marine diesel oil utilizes fuel additives to improve the fuel quality in marine fuel tanks.
In addition, marine gas oil and marine diesel oil need to have lower levels of sulphur than typically found in automobile gas. Sulphur causes damage to marine engines and is not environmentally healthy for our waterways.
It’s always best to use a marine fuel dock when fueling your boat. So skip the gas pump at your local convenience store, and instead locate your local marina for your next refuel.
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