BHP Billiton Ltd's Ravensthorpe nickel project budget has blown out to $2.8 billion, more than double the $1.35 billion approved in March 2004, when the green light was given. Also see our story on cost rises in the world's laterite nickel projects.

BHP Billiton Ltd's Ravensthorpe nickel project budget has blown out to $2.8 billion, more than double the $1.35 billion approved in March 2004, when the green light was given. Also see our story on cost rises in the world's laterite nickel projects.