Of course there is still a premium of around 5p per litre over regular unleaded, but if it's true that fuel consumption is reduced as a result, you can probably knock another few pence per litre off as well - so the gap in price may well be smaller than you think between the two....all IMO of course!![]()
That's how tesco market their momentum 99. They reckon the increase in mpg more than covers the extra cost.