My Tiscali home page has this advert:-
Yours for only £44.99 (normal price £48.99)
Feel the difference with this amazing revolutionary award winning fuel saver! Increases performance, lowers emissions and provides better fuel economy all in one compact maintenance-free device!
Using Formula One technology, the fuel saver creates a swirl of air which helps to burn petrol more efficiently. It produces lower emissions, and improvements of up to 15% in fuel economy and a chrisper, more responsive drive. Simple to fit and a cost effective answer to ever increasing petrol prices.
This device is a practical, low cost device designed to benefit the vast majority of petrol engined cars and provide immediate benefits. Comes complete with full instructions, a helpline number and full 2 year unconditional guarantee. So purchase your Ecotek CB-26P now and increase the performance of your car and save money on expensive fuel costs for just £44.99 including UK mainland p&p (normally selling for £48.99).
"Countless widgets claiming to save fuel have come and gone through the years, but here's one that really works." Driving, The Sunday Times 2003.
Can be fitted by a competent amateur mechanic in approximately fifteen minutes or alternatively can be fitted by a Garage for around £20.
You will only need one fuel saving device for all cars with up to 2.6 litre engines but will need two for engines above 2.6 litres. For use with petrol engines only.