Re: Red Diesel The Law?
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I also wonder why there are not two agreed notional splits between use for propulsion and domestic needs - one for motorboats and one for sailing vessels.
The splits must be significantly different, assuming that the sailors are making proper use of their free propulsive force, of course!
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Why would it be different..? If you are sailing you are not using fuel. If you are using the engine, you are. This is nothing to do with how much fuel you use (or don't) covering a specific distance. The split is a ratio (60:40) not an allowance or specific amount. Hence it doesn't matter if it is a sailing boat or a mobo. The only issue is what % of your fuel that you are using is for propulsion as against domestic. In theory this is down to efficiency of the engine (the waste heat arguement applies if used for heating water etc) and other use for generators, heating, alternators, battery charging etc).
It would be virtually impossible to calculate a specific ratio for every type of boat (given the type of engine setup) and it would probably change depending on external temperature, type of cruising etc. Hence the 'agreed average' 60:40 ratio. For once a very sensible, pragmatic approach by a gov dept! If the 60:40 is not correct for the type of boat you have you can opt to claim any % from 0-100% so long as you can justify it!
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