The new Eco pack is available with Expression versions of the three- and five-door small car, the second of seven different specification levels offered with the supermini.
Renault Clio cars fitted with the optional Eco pack have been tweaked by the marque to reduce the amount of fuel the 1.5-litre engine uses. The 88bhp engine is now more fuel efficient and emits less CO2 emissions.
Road tax (or VED), Benefit-in-kind tax and congestion charge fees are all based on CO2 emissions, while fuel economy, measured in miles per gallon (mpg) will directly influence how often a driver has to visit the pumps.
The improvements to the Clio with the Eco pack results in improved fuel economy by 2.1mpg to 78.4mpg and a reduction in CO2 emissions from 99g/km to 94g/km.
Renault predicts this will save the average driver £110 on fuel every year and, like the non-Eco pack version, the Clio is also exempt from the London congestion charge and VED in the UK.
According to Renault, the modest reduction in environmental impact has been boosted by the inclusion of 15" Aero wheel trims, a rear spoiler and ultra-low resistance tyres to reduce drag.
The Renault Clio costs £12,200 for the Eco pack version in three-door body style and the five-door model starts from £12,800.
This is a £250 increase on standard Expression models, which come equipped with front fog lights, electric front windows and extra tinted windows.
Inside, gadgets include radio CD, Carminat TomTom Live satellite navigation and air conditioning come as standard on the Expression models.
The Renault Clio Expression with optional Eco pack is available to buy now from Renault dealerships in the UK.