Grosjean finishes off Rentault test session
Swiss test driver Romain Grosjean was the last Renault driver during this weeks test at Jerez. The youngster completing a total of 90 laps in the R28, setting Fridays fourth best time of 1:19.561. With todays focus being on preparation for upcoming GP's, and further enhancing hot temperature performance.
The French outfit will now head back to their factory and further analyze the data gathered throughout the four days of running.