Grosjean frustration mounts

April 10, 2014 (GMM).- Romain Grosjean is apparently becoming more and more frustrated with the situation at troubled Lotus this season.

Before the season, video footage circulated on the internet depicting the Frenchman slamming his hand on a tool bench as the serious problems with the new E22 car became clear.

Grosjean played that down.

"It was a joke with the mechanic and a ...

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