Brian Timms wrote on Sunday, July 06, 2008 - 01:41 pm:no carbon fibre bonnet will be ADR approved, might be CAMS approved, but never ADR approved, because the bonnet provides structure and rigidity to the car, a bonnet made from different material changes the way the rigidity will react in the event of different forces applied (ie, an accident), and therefore alters the reaction the car would have compared to how it was designed from manufacturer.
Having said this, IF there is a carbon fibre approved bonnet, I would be VERY interested to see this, as it's more than likely a carbon skin over a stock sub-structure, but would be interesting to see.