The Fiesta Van Econetic, from Ford, boasting the lowest carbon emissions figures in its sector of 98g/km, is now available, priced at £11,635.
Ford says the small LCV will use 35 gallons fewer than the outgoing model, in an average year.
Powered by Ford's 1.6-litre TDCi engine, the van will return 76.3mpg on the combined cycle, according to the manufacturer.
Key engineering changes that have helped achieve the green status include engine recalibration and an increased final drive ratio from 3.05 to 3.37.
