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Where a regular spring would weigh 2.7 kilograms (6.0 lb) per corner, a GFRP spring with the same properties is much lighter at approximately 1.6 kilograms (3.5 lb). That's not all though.

Audi states that these new springs constructed of glass fibre-reinforced polymer (GFRP) will be equipped in an upper mid-size model before the end of the year.

Carmaker Audi is about to roll out fiberglass-reinforced epoxy road springs which match the function of steel coils in coping with severe loading, but are around 40 percent lighter. The new FRP ...

Italian auto parts maker Sogefi and Volkswagen's <VOWG_p.DE> Audi have jointly developed new suspension spring technology which will result in more precise driving and lighter parts, Sogefi said ...