SEAT is the latest manufacturer to reveal a car designed to produce the best possible fuel economy and CO2 figures.
The Ibiza Ecomotive, launched at Frankfurt, follows what is rapidly becoming the conventional method of going about these things. Its 1.4-litre turbo diesel engine has been tweaked, the gear ratios are higher than in the standard car, there have been improvements to the aerodynamics, and special low-friction tyres (developed in this case by Dunlop) have been fitted.
All this means that the 61.4mpg combined fuel economy of the standard 1.4 Ibiza 1.4 TDI has improved to 74.3mpg, giving a possible range of well over 700 miles. Perhaps more importantly, this also relates to CO2 emissions of 99g/km, which means the Ecomotive owners would not have to pay road tax or - under the proposed new regulations - the London congestion charge.
The Ibiza Ecomotive will go on sale some time next year. Its price has not been confirmed, but SEAT is dropping hints that it will be pretty cheap.