When Mercedes revealed its DAS system during pre-season testing, many expected its closest rivals to instantly go marching to the FIA to demand the system be banned.
Silverstone has set a deadline of the end of April to decide if this year's British Grand Prix will go ahead.
Aprilia MotoGP rider Andrea Iannone has been handed an 18-month competition ban for an anti-doping infringement, but prosecutors conclude he did not purposefully take steroids.
The 1986 Australian Grand Prix was the climax of a tense title battle between McLaren's Alain Prost and Williams duo Nigel Mansell and Nelson Piquet - but what was it like to be involved? Autosport's technical expert TIM WRIGHT recounts his experiences...