FIRST PICS: Red Bull Racing RB4.

The covers came off Adrian Newey's second creation for Red Bull Racing at a damp-looking Jerez de la Frontera, as David Coulthard and Mark Webber unveiled the RB4 to the waiting media.

Powered for a second season by Renault, the car is an evolution of 2007's troubled RB3, typically Newey sleek and purposeful and clothed in now familiar Red Bull blue.

The covers came off Adrian Newey's second creation for Red Bull Racing at a damp-looking Jerez de la Frontera, as David Coulthard and Mark Webber unveiled the RB4 to the waiting media.

Powered for a second season by Renault, the car is an evolution of 2007's troubled RB3, typically Newey sleek and purposeful and clothed in now familiar Red Bull blue.

The car is due to hit the track for the first time immediately after the launch, with Coulthard entrusted with the shakedown test.

To see further pictures from the fifth F1 launch of the year href=http://www.crash.net/gallery.asp?cid=1&category_id=296&event_id=redbull…;CLICK HERE.

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