Renault bosses declare themselves "very confident" of a significant step forward in competitiveness as they launch their 2017 car.
Lewis Hamilton to reveal new helmet, news from the Renault launch, Verstappen's father plays down his chances, plus more.
Keep up to date with all the latest pictures from F1's new car launches as teams prepare for the 2017 season opener in Australia.
Sauber unveil their new car for 2017 with a new blue, white and gold livery along with the new-look machine.
Audio & Video
The new Chairman of Formula 1, Chase Carey, talks to BBC Sport's Dan Roan about the big talking points surrounding the sport at the start of his tenure.
Analysis and opinion from the BBC's chief Formula 1 writer.
Today's Formula 1 gossip column
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