Williams has revealed that it will be using KERS during the season-opening Grand Prix of the year in Melbourne, with the team opting to stick with the unit despite its early... read more »

Williams will start the season with KERS on its cars, having resolved the problems it suffered in testing this week read more »

Sam Michael says Williams have yet to decide whether they will use KERS in Australia after experience several problems in testing... read more »

Williams technical director Sam Michael thinks it is too early to judge whether or not his team will run KERS at the start of the season, following the problems it has suffered... read more »

Williams has ruled out using KERS for the remainder of the Barcelona test and may even choose not to use the system in Melbourne. read more »

Q: How did your first test day go in Barcelona this week? Pastor Maldonado: We had a KERS problem which unfortunately cost a few hours’ read more »

Williams might have to start the 2011 season without KERS after its in-house system failed to perform consistently read more »

Rubens Barrichello hopes Williams will be able to keep its KERS in place for the opening round of the season, but admits the team will have to take a decision about the device... read more »

Sergio Pérez ended his winter testing programme by topping the Barcelona timesheets on Thursday, despite suffering a KERS problem which limited running time. In the afternoon,... read more »

Sauber's Kamui Kobayashi is sceptical that the return of KERS and the introduction of adjustable rear wings will lead to more overtaking in Formula One... read more »

Williams technical director Sam Michael reveals the team could switch to a flywheel KERS - although probably not before the 2012 season read more »

Kamui Kobayashi is not convinced the return of KERS and the introduction of moveable rear wings will have a dramatic effect on the quality of racing this season, but is... read more »

Kamui Kobayashi is unsure there will be more overtaking during the 2011 season despite the return of KERS and the introduction of the moveable rear wings. read more »

Sauber's Kamui Kobayashi discusses the Pirelli tyres, KERS and his new team-mate Sergio Perez... read more »

Kamui Kobayashi believes that his renowned talent for overtaking may now be less useful in Formula 1, with a selection of aids – such as KERS and the new adjustable rear wing... read more »

Heikki Kovalainen says Lotus must be ready to add KERS mid-season if the lack of the device is proving too costly. read more »

Williams is keeping its flywheel KERS on the backburner even though it has committed to a battery-based system this year's FW33 read more »

Williams technical director Sam Michael says his team is not ruling out using its flywheel KERS this year, although he conceded it was very unlikely. read more »

As the Kinetic Energy Recover System (KERS) makes a comeback in Formula 1 this year, Williams admit that they have been unable to make use of the flywheel system which they... read more »

Force India F1 man Adrian Sutil got his first taste of KERS yesterday as testing came to a close at Barcelona's Circuit de Catalunya. read more »

Nick Heidfeld was left a little frustrated after he lost some track time because of problems with KERS on the final day of the pre-season test in Barcelona... read more »

Williams have ended the 4-day test session at Barcelona with another productive day. To allow for completing so many laps however, engineers had to disable KERS as a problem... read more »

Adrian Sutil brought the second test of the Force India F1 Team's VJM04 to a close at the Circuit de Catalunya today. Following on from yesterday's programme... read more »

Nick Heidfeld sets the fourth quickest time despite Renault suffering from a KERS issue on the final day of testing in Barcelona read more »

The final day in Barcelona saw Nick back in the R31 as the team wrapped up its third pre-season test session. The German completed a total of 95 laps at the Circuit de... read more »