Tiny, Calm down. The current excise is 27.65 c per litre. This will increase to 50.88 c per lite, an increase of 23.23 c per litre. Add on VAT at 21% (21.5% from Dec 1) this will mean a tax increase on Avgas of about 28c per litre, incl VAT. this represents a 11.2% increase, if fuel currently costi...