It is now confirmed that Toyota will supply the Williams team with engines from 2007 in a 3 year deal.
Under this agreement, Williams will use the same specification engines as Toyota.
Toyota's Executive Vice President Kazuo Okamoto said:
We are delighted to be supplying Williams with engines from 2007 and working alongside a team rich in history and Formula One spirit.
John Howett, President of Toyota Motorsport said:
We are pleased to be selected as the engine provider to Williams and look forward to establish a strong relationship with them. We look forward to both teams using each other as a comparative benchmark from which each can improve its own performance and to competing with each other at the front of the grid.
WilliamsF1's Team Principal, Frank Williams said:
This agreement is the cornerstone of Williams' challenge for the World Championship. Toyota is an impressive and remarkable industrial giant, with the most phenomenal reputation for achieving the goals it sets itself. We are proud to have secured their support in our efforts to return to our competitive best.