Lotus confirms Pastor Maldonado and Romain Grosjean will be at the team until the end of the 2016 season, but hope to keep reigning GP2 champion in third driver role.
German picks up where he left off during Austrian Grand Prix by ending the test over eight tenths clear of Ferrari's Esteban Gutierrez.
Finn clocked a 1:10.029 in the FW37, while Nico Rosberg finished the morning third for Mercedes and Fernando Alonso managed just 17 laps in the McLaren MP4-30.
Mercedes junior keeps the world champions top of the timing screens after day of testing hampered by rain at Red Bull Ring.
Deputy team principal Federico Gastaldi thinks double points finish in Canada is proof Lotus can start forcing its way up the pecking order.
Reigning GP2 champion will take the wheel for the first practice session in Austria, Britain, Hungary, Belgium and Italy, as well as the post-race Austria test.
Frenchman thinks third was up for grabs but thinks Lotus can challenge the lone Williams ahead after locking out the third row.
Frenchman thinks the two Mercedes customers will battle it out behind the leading pair after best Friday session of season so far.
Frenchman says its natural for rookies to make mistakes but is upset Verstappen seems unwilling to accept responsibility for Monaco crash.
Grosjean is in his fourth year at Lotus and in that time has experienced the highs of podium finishes in 2013 and the lows of struggling for points in 2014. This season Lotus is more competitive.
Lotus trackside operations director Alan Permane says data shows Romain Grosjean actually braked later than he had lap before Max Verstappen drove into the back of him in Monaco.
Seventeen-year-old says Grosjean hit the brakes "10 or 15 metres" earlier than the previous lap.
Lotus reserve driver Jolyon Palmer set a late fast lap on super-soft tyres to top the timesheets on the second day of this week's in-season test at Barcelona and usurp Mercedes.
Mechanic suffered torn ankle ligaments after Romain Grosjean overshot his mark during final pit stop in Barcelona.
The dramatic explosion of bodywork on Romain Grosjean's Lotus during FP2 was down to the failure of a "bodywork fastener", also known as the bit that keeps the engine cover attached.
Lotus targeting Williams and Red Bull with updates at the Spanish Grand Prix.
Team actively tweets throughout the day as it takes E23 Hybrid, the iconic Lotus 72E and a host of road-going cars for fans at the iconic Kent circuit.
Once described as a "first-lap nutcase" by Mark Webber, Romain Grosjean says he has learned to control his aggression and use it to his advantage in recent years.
ESPN rounds up all the reaction from up and down the paddock after the Bahrain Grand Prix
ESPN rounds up all the reaction from up and down the paddock after qualifying for the Bahrain Grand Prix.
German pips Lewis Hamilton to P1 as Mercedes shows it has still maintained one-lap advantage over Ferrari.
ESPN rounds up the best radio soundbites from China as Daniil Kvyat does his best Bruce Springsteen impression and Nico Rosberg asks another car to go faster.
The latest betting tips from the ESPN team, in association with bet365
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