Robert Kubica: 'I'm happy to be back in an F1 car'

    By Matthew Knight and Nabila Khouri, CNN

    Updated 1457 GMT (2257 HKT) July 6, 2017

    Robert Kubica completed a successful F1 test with his former team Renault at Valencia's Circuit Ricardo Tormo in June 2017.
    Photos: Kubica back in an F1 car
    Robert Kubica completed a successful F1 test with his former team Renault at Valencia's Circuit Ricardo Tormo in June 2017.
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