Italian GP: Lewis Hamilton shades Nico Rosberg in second practice
Lewis Hamilton pips team-mate Nico Rosberg in second practice at the Italian Grand Prix as Mercedes leave their rivals trailing.
The world champion beat Rosberg by just 0.021 seconds, with Ferrari's Sebastian Vettel third fastest but 0.759secs off the pace.
The new engine is available only to the factory team and the day's running suggested an upgraded engine had moved Mercedes even further clear of the field.
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