In the round-up: Pirelli counters claims its tyres will not be able to make F1 cars five seconds per lap faster in 2017.
Your daily digest of F1 news, views, features and more.
Pirelli want top level tyre test commitment (Reuters)
"Of course you can do it, but you’re not going to be able to do it with a product that you see today."
Sauber droht eine Millionenklage (Neue Zurcher Zeitung - German)
Adrian Sutil is bringing a lawsuit against Sauber after being dropped by the team at the end of 2014.
Aston Martin's F1 return on hold (Autosport)
"For 2016 I don't think that will happen, but for the future there are still possibilities."
Mit Lotus reißen sie überhaupt nichts (Motorsport Magazin - German)
Helmut Marko says Renault should prioritise Red Bull over its own factory team.
F1 needs solutions, not criticisms - Prost (Motorsport)
"You need to give the possibility to small teams to be more competitive, not only by adding more money, but by finding different ways in the regulations, (especially) the technical regulations."
Bernie Ecclestone: Formula One wouldn't take female drivers seriously (ITV)
"Someone needs to prove Bernie wrong. It would be a shame if a team would turn down a female to race in F1 because they would not be taken seriously."
New scheme to empower women - Wolff (BBC)
"The most outstanding girl we find will get a scholarship in karting, but it is about much more than that."
Formula 1 has ended its 15-year partnership with Champagne sponsor Mumm (The Drinks Business)
"Instead, Moët et Chandon will be now be presented during the trophy ceremony."
A tough year ahead for Sepang International Circuit? (Paul Tan)
"Singapore has more to worry about rather than us. We were affected by spectator numbers dropping when they held their race in 2008 anyway. Now. we’re turning the tables in some ways, because we want to capture the global audience that could potentially attend two F1s in the region. I reckon that’s great for the fans."
Gutierrez hopes to make Mexico, USA, and Kannapolis proud on worldwide stage (WBTV)
"Mexico has a very important part as well for me, as a Mexican, but I love America, I’ve been coming to America a lot since I’m a child, and I will do my best to represent an American team as a Mexican, worldwide, in the races, and represent, give an example, of what someone can be committed and put the effort in the things that they love and that we are passionate about, we can reach extraordinary things."
Sports producers query C4's F1 tender process (Broadcast Now)
"It has not quelled suspicions in some quarters that C4 intended to award Whisper the deal from the outset, with a third producer suggesting that North One was only brought into the process to keep the company 'honest' on costings."