Renault presented EOLAB, a new prototype which explores ways to deliver ultra-low fuel consumption at the Paris Motor Show. It embodied two years’-worth of intensive engineering research and more than 100 innovations. It boasts NEDC combined cycle consumption of 1 liter/100km, equivalent to 22g of CO2/km. To achieve such low figures, the designers focused their efforts on three main areas: minimizing weight, refining aerodynamics and using “Z.E. Hybrid” technology for all, a brand new initiative which permits zero emissions* motoring during everyday use.
For Renault, the purpose of EOLAB is to remain true to the company’s DNA by ensuring that ultra-low fuel consumption becomes a reality for as many people as possible. This in turn means making its technologies available at a price that people can afford. EOLAB features materials such as magnesium and aluminum, which are extremely light and also much cheaper than titanium. Meanwhile, the notion of such a car being produced in large numbers within the next 10 years was dialed into the plan from the very start.
The EOLAB has active aerodynamics – including a deployable front splitter, ‘ears’ that detach the airflow from the rear bumper, hubcaps that form a flat disc when no brake cooling is needed, and a self-levelling suspension that drops ride height at speed. With those in their slipperiest settings the Cd is a startlingly low 0.227.
Unfortunately however Renault isn’t planning on selling any EOLAB’s. The ultra-light body – which uses various composites plus ultra-high-strength steels and magnesium – would be a challenge to build and repair. The car was built in response to a French Government challenge to both Renault and PSA to demonstrate ideas for cars for the end of the decade that are affordable and mass-produced and can do 2.0litres/100km (141mpg).
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