Titanium for a chassis

We are getting used to carbon fibre body tubs in performance cars but making one out of titanium is new to me. http://www.autocar.co.uk/car-news/new-cars/ariel-developing-titanium-chassis Maybe Ariel know about the Metalysis breakthrough, which could produce titanium for one-tenth of the present cost: http://www.economist.com/news/science-and-technology/21571847-exotic-useful-metals-such-tantalum-and-titanium-are-about-become-cheap