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Lotus Eco Elise: Trackday Warrior Turns Eco Warrior

17 July 2008

Lotus has unveiled the Eco Elise technology demonstrator at the British Motor Show, capitalising on strides forward in green technology.

The Eco Elise project promotes a green perspective which does not revolve solely around tailpipe CO2. Sustainable materials, hemp, eco wool and sisal have been developed for body panels and trim and, combined with hi-tech water based paint solutions, showcase new affordable green technologies. The green credentials of the technology on show in the Eco Elise have been analysed throughout the lifecycle of the car.

Sustainable hemp technical fabrics have been used as the primary constituent in the high quality “A” class composite body panels and spoiler. The renewable hemp has exceptional material properties that make for a very strong fibre.

The hemp fibres have also been used in the manufacture of the lightweight Lotus designed seats. An additional benefit of using hemp is that it is a natural resource that requires relatively low energy to manufacture and absorbs CO2 whilst growing as a plant through natural photosynthesis. This hemp material is used with a polyester resin to form a hybrid composite, however it is hoped that a fully recyclable composite resin will be viable in the short-term future.

The hemp hard top on the Eco Elise has two flexible solar panels neatly embedded in the roof, contributing power to the electrical systems and saving energy that would be drained from the engine. The solar panels have been integrated into the hard top to illustrate the feasibility of applying this technology. This application shows the installation of solar panels into a composite “A” class panel with a double curvature.

The hemp fibres have been farmed in East Anglia, thus reducing the carbon miles incurred in the production of this Elise. Lotus Manufacturing has component manufacturing facilities and a paint facility at its headquarters in Hethel, Norfolk, with another manufacturing site a short distance away in Norwich.

Mike Kimberley, CEO of Group Lotus plc commented ""This Eco Elise is a great example of the advanced and affordable green technologies Lotus is developing. We are at the cutting edge of environmental technology and are determined to push forward with our green agenda. The Lotus brand values of lightweight, fuel efficient, and high performance are more relevant today than they ever have been. We are keen to ensure that Lotus as a company and its products offer an ethical, green option that appeals to our customers"".

In keeping with the “performance through light weight” philosophy, the Eco Elise weighs 32kg (70.5 lbs) less than the standard Elise S, which means that the efficient Elise S engine in the Eco Elise will give higher fuel economy figures and even better performance.

The new green materials sourced for this car have been carefully studied to ensure that each technology used reduces the environmental impact of the vehicle. The life of the components has been analysed; during the production stage, in-use and at the end of the vehicle’s life. The technology used aims to offer lower emissions of both solvents and CO2 in the lifecycle of the vehicle, with reductions in energy consumed during manufacture.

The Eco Elise will be displayed in the Greener Driving Pavilion at the British International Motor Show from 23rd July until 3rd August. The project displays affordable green technology that is intended to be feasible and production viable in the near term future.






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