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NotThamesWater
@citron
I have been looking at second generation bio diesel referred to HVO (Hydrotreated Vegetable Oil).
Apparently it has been approved for use in Southern California where all municipal vehicles will be required to use it and has been in common usage in Finland and other Scandinavian countries for some years.
According to studies in Helsinki, Leeds and other universities its use results in significant lowering of exhaust emissions'; Particulates -33 to-85%, NoX -9 to-35%, CO -24 to-40%.
Does any one know anything about it ? and should we be using it?