Lotus has become the latest F1 team to reveal its 2015 Formula 1 contender, the E23 Hybrid, its first using Mercedes power. 
Lotus F1 technical director Nick Chester is optimistic switching to Mercedes power will prompt a vast improvement for 2015. 
Renault says it has used most of its allocation of power unit upgrade 'tokens' as it heads into the 2015 F1 season targeting at least five race wins. 
Toro Rosso has announced it will launch its new F1 2015 car the day before pre-season testing starts at Jerez.
Toro Rosso technical director James Key says the team will retain its low drag philosophy with its 2015 car
Jenson Button says it will “mean a lot” to him to have Fernando Alonso as his team-mate next season 
Ron Dennis believes McLaren’s partnership with Honda will allow the team to promote its young drivers in to F1 race seats in coming seasons 
Christian Horner says Red Bull is determined to catch Mercedes this winter “to really give them a hard time” 
Counting down the top ten F1 drivers from the 2014 season as voted for by Crash.net readers...