A look at how Pirelli measures tyre wear in F1     read more »

Video: Pirelli tyre compounds for Barcelona read more »

Damon Hill believes that changes to Pirelli's hard tyre could benefit current points leader Red Bull Racing.     read more »

Pirelli will bring an additional set of tyres to the Spanish Grand Prix for use during first practice only, to ensure teams make the most of the session. A change in the... read more »

Paul Hembery expects the revised hard compound that will be used in Spain will give the teams a "wider working temperature window"... read more »

Plans to encourage Formula 1 teams to run rookie drivers during free practice in exchange for extra tyres have been abandoned for now, with all outfits getting another set for... read more »

Sauber is hopeful its Spain updates will help controlling the tyres a bit better, as their car seems to be struggling with the way the tyres deform under load. One advantage... read more »

Lotus has admitted it is “surprised” at Pirelli’s decision to not supply the ‘soft’-compound tyre this weekend in Barcelona.... read more »

Ross Brawn concedes Mercedes are "not there yet" as the team strives to find a solution to their tyre issues... read more »

Sauber driver Esteban Gutierrez has predicted tyre management will be as important as ever at the 2013 F1 Spanish Grand Prix.     read more »

Damon Hill believes Pirelli's decision to change the hard compound tyre will benefit Red Bull more than any other team on the grid. The Milton Keynes based outfit has been... read more »

Mercedes team principal Ross Brawn says the outfit are making progress with their high rear-tyre wear, which is damaging their pace on the Sunday. The outfit... read more »

Mercedes will test some ideas aimed at alleviating their W04's problems with rear tyre wear at next week's Spanish GP as they continue attempts to improve the... read more »

Mercedes has warned its drivers that it has not yet fully got on top of the tyre issues that have hit their race pace in the first four Formula 1 grands prix of the year. read more »

The HRT Formula One cars will return to competitive action later this year after their current owner, Teo Martin, reached an agreement to run the cars in the BOSS GP Series.... read more »

Red Bull billionaire and team owner Dietrich Mateschitz believes the tyre situation in Formula One has gone too far, claiming the sport is no longer about "classic... read more »

Felipe Massa is hopeful that he will be able to bounce back from the disappointment of Bahrain at next weekend's Spanish Grand Prix, with the Ferrari driver struggling... read more »

Red Bull's Helmut Marko is still unhappy with the tyre situation, despite Pirelli's changes to the hard compound for the Spanish Grand Prix onwards. The Italian... read more »

Helmut Marko calls on Pirelli to make further changes to its tyre compounds to reduce the amount of degradation     read more »

Red Bull advisor Helmut Marko has again called for changes to Pirelli's tyre compounds, arguing that they distort competition read more »

Helmut Marko, advisor to reigning World Champions Red Bull has reiterated his dissatisfaction at the current tyre situation in Formula 1, with the 70-year-old yearning for... read more »

Dr Helmut Marko has admitted he is not satisfied with the minor tweak made by Pirelli ahead of next weekend’s Spanish grand prix. So far in 2013, world champions Red... read more »

Ferrari aren't concerned by the lack of a tyre supplier for the 2014 season and beyond - with current supplier Pirelli yet to sign a new deal. Pirelli have signalled that... read more »

Ferrari says that teams are not unduly concerned by the fact that Formula 1 has yet to secure a new tyre supply contract for next year read more »

BBC Sport gives you the lowdown on what makes a Formula 1 tyre so different read more »