Teams running off-throttle blown diffusers at this weekend's Spanish Grand Prix have been warned that their results on Sunday could be protested by those not running the... read more »

FIA Technical Delegate Charlie Whiting has explained that teams using clever off-throttle engine map settings to keep exhaust gases flowing over their cars' diffusers... read more »

Lotus driver Jarno Trulli described the team's first day running its new exhaust blown diffuser as "positive". read more »

Kamui Kobayashi, 9th: “We have had a really interesting day. In the morning I was busy testing the exhaust, and evaluating the new aero parts. read more »

The Sauber F1 Team had a very busy and productive first day of practice ahead of the Spanish Grand Prix at the Circuit the Catalunya near Barcelona. Both Kamui Kobayashi and... read more »

McLaren's engineering director Tim Goss says that the performance of its car would suffer if the FIA introduces a limit on how exhaust gases are blown through diffusers. read more »

The FIA has given the teams a grace period before enforcing a ban on the way exhaust gases are blown through diffusers. read more »

F1 teams wait for clarification over use of exhaust-blown diffusers ahead of Spanish GP. read more »

Formula 1's competitive order at the front of the field could be thrown on its head in this weekend's Spanish Grand Prix with the FIA having made a major change to... read more »

Williams will try out a new exhaust-blown diffuser and intends to run its upgraded rear wing on both cars in this weekend's Spanish Grand Prix as it continues its push to... read more »

Williams will begin its Barcelona weekend by testing exhaust-blown diffusers at the Circuit de Catalunya on Friday. The Grove team, which is yet to score points in 2011, is... read more »

Sam Michael is hoping Williams finally break their duck as the team heads to Spain with their new rear wing and exhaust blown diffuser... read more »

Williams has been working on the new rear wings it ran in practice in Istanbul and will have them on both cars again in Barcelona. In addition the Grove outfit has new exhaust... read more »

Williams will be running a new exhaust and diffuser system at the Spanish Grand Prix this weekend.  read more »

Virgin team principal John Booth says the team had a productive straight line test day over the weekend as it seeks to refine a new blown exhaust system. read more »

Sauber will have a completely new front wing in Spain, updates to the front and rear brake ducts, new bodywork, new devices around the floor leading edge and will be testing... read more »

Red Bull Racing's qualifying advantage could be helped by 'elaborate' engine mapping that helps make its blown diffuser more effective over a single lap. read more »

Williams is considering not running the new exhaust blown diffuser package that it tried on Rubens Barrichello's car during practice for the Chinese Grand Prix, but... read more »

Williams have today introduced their new exhaust system which is essentially a copy of the Red Bull version. Rubens evaluated the system while testing the option tyres. Pastor... read more »

Williams will only decided on Saturday whether or not to race their new exhaust system in Sunday's Chinese GP... read more »

Williams split its programme in second free practice on Friday. As Pastor Maldonado managed 12th spot in Shanghai’s afternoon period, team-mate Rubens Barrichello experimented... read more »

Williams will decide tomorrow whether or not to race a new exhaust system the team ran in free practice on Friday in China read more »

Williams hope their new exhaust system will give them a much-needed boost at this weekend's Chinese Grand Prix... read more »

Rubens Barrichello is optimistic that a new exhaust system can propel his FW33 up the grid after a disappointing start to the 2011 season. The Brazilian's Williams squad... read more »

McLaren will push to get a new floor and exhaust layout race ready for this weekend's Chinese Grand Prix in a bid to close the gap on pacesetter Red Bull Racing read more »