Re: The biodiesel had 'gone-off' ...
For one, fuel tanks aren't sealed but have vents to allow air in when fuel is drained from the tank. Air always contains water vapor, which does have a certain habit of condensing in unwanted places.
For one, fuel tanks aren't sealed but have vents to allow air in when fuel is drained from the tank. Air always contains water vapor, which does have a certain habit of condensing in unwanted places.