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Valtteri Bottas expects the Monaco Grand Prix to be the toughest challenge of his Formula 1 rookie season with Williams

Jenson Button wants to keep a feeling of 'freedom' over his Formula 1 future, despite McLaren's insistence that he is welcome to stay put until the end of his career

Kimi Raikkonen says he is not at all surprised that his Formula 1 future is the subject of fervent speculation, but that will not make him hurry his decision over whether to stay at Lotus or move elsewhere

Scott Speed is adding up to 10 further NASCAR Sprint Cup events to his schedule after his recent top-10 finish at Talladega secured extra backing for his Leavine Family Racing Ford Fusion

McLaren team principal Martin Whitmarsh has confirmed that McLaren will have exclusive use of Honda Formula 1 engines in 2015 and that other teams may only race with the Japanese units "in due course".

Ken Block is keen to race in the European Rallycross Championship in future, but has admitted he does not have time to fit it into his busy schedule this year

Northern Irish Formula 3 racer Will Buller has parted company with the T-Sport team

Ferrari technical director Pat Fry will return to duty at the Monaco Grand Prix this weekend after recovering from appendicitis

A British motorsport engineering consultancy has completed the design of a LMP1 prototype to the new-for-2014 rulebook with which it aims to enter the Le Mans customer market

British sportscar driver Archie Hamilton will achieve a lifetime's ambition by racing in the Le Mans 24 Hours in June, 60 years after his grandfather Duncan won the race with Jaguar

Three Indianapolis 500 entrants have been penalised for technical infractions following post-qualifying inspections, although the grid for Sunday's race remains unchanged

Formula 1 supremo Bernie Ecclestone believes Pirelli's high-degradation tyres mean drivers once again have to 'use their brains' to win grands prix

Formula Renault 3.5 race winner Nick Yelloly will return to the series for this weekend's Monaco Grand Prix support race with Zeta Corse.

Gary Paffett believes the DTM's yellow-flag rules are 'wrong', and need a serious revision before the next round at Spielberg.

Northern Irish Formula 3 racer Will Buller is a last-minute addition to the entry list for this weekend's British F3 International Series opener at Silverstone, and will drive a Fortec Motorsport Dallara-Mercedes.

Pastor Maldonado is hopeful his Monaco expertise will allow him to score the Williams team's first points of the season in Sunday's Monaco Grand Prix.

Sergio Perez is starting to show the qualities that made McLaren want him to replace Lewis Hamilton, according to team boss Martin Whitmarsh.

McLaren's new deal with Honda will enshrine the team's place as one of the sport's biggest players, according to team principal Martin Whitmarsh.

Dutch sportscar star Jeroen Bleekemolen will follow up on his victory in Nurburgring 24 Hours yesterday with a bid for class honours in the Le Mans 24 Hours in June.

Kimi Raikkonen sees no reason to be surprised at his excellent start to the 2013 Formula 1 campaign.

Anglo-Danish racer Emil Bernstorff is to return to the top level of Formula 3 in the non-championship Masters event at Zandvoort in July.

Mercedes claimed its first Nurburgring 24 Hours victory in one of the most dramatic races in the history of the event

Former Le Mans 24 Hours winner Christophe Bouchut will make his 20th start in the endurance classic with the Lotus LMP2 team this year

Ducati riders Andrea Dovizioso and Nicky Hayden believe Ducati was flattered by the adverse conditions of Sunday's MotoGP race at Le Mans.

Analysis: WTCC qualifying farce

Monaco preview quotes: Pirelli

Randy de Puniet has confirmed he will test Suzuki's potential 2014 MotoGP challenger at Motegi.

BMW has rubbished suggestions that it is considering a Formula 1 return.

Monaco preview quotes: Force India

Jamie Whincup hailed the success of V8 Supercars maiden American race weekend at Austin.