Yes. I've been using it instead of Shell FuelSave for the last 2,000 miles and, though it doesn't make the car any more economical, it does make the engine feel smoother and more powerful. In my ...
I've read and understand all your replies to the 'my car doesn't achieve what the official figures say', but I have had a shock on my recent change of car. I have had a series of Volvo V70 D5's and ...