The story

The Spanish Grand Prix will set the tone for the rest of the Formula One season, revealing the most competitive cars for the first time, according to the top teams.

BMW, who lead the constructors' championship, and McLaren, two points back in third, say the race at the Circuit de Catalunya will serve as the "yardstick" for the rest of the year.

They, along with the other teams, spent last week at the Barcelona track testing new developments. Read full article »

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