Caterham 's drivers Heikki Kovalainen and Vitaly Petrov have yet to register a point this season , but the UK-based team 's technical director Mark Smith has been enjoying the challenge . Pirelli 's tires have become biggest talking point of Formula One season . Supplier 's test driver says teams have been struggling to find right strategy . It has allowed some of the lesser-known drivers to make their name . Comment:
Pirelli 's tires have become biggest talking point of Formula One season . Supplier 's test driver says teams have been struggling to find right strategy . It has allowed some of the lesser-known drivers to make their name . Comment: