Three-time F1 world champion believes Lewis Hamilton's and Nico Rosberg's rivalry will continue in 2015.
Nine-time world rally champion Sebastien Loeb to make a surprise one-off return to the WRC circuit.
Decision over who will drive for McLaren in 2015 lies with the team's board, group head says.
Cheered on by Prince Harry and pop star girlfriend Nicole Scherzinger, driver wins in Abu Dhabi to claim F1 title.
German F1 driver will return to the championship in 2015 stronger for his experience this year, Mercedes boss says.