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Lotus publicly unveiled its new E22 Formula 1 contender as the second winter test began in Bahrain on Wednesday morning.

The Enstone squad's design is the last of the 2014 season's 11 new cars to break cover, after the team had to skip the first pre-season test in Spain.

Romain Grosjean will undertake the first proper test of the car on Wednesday, though team-mate Pastor Maldonado has already completed 100km of running in a demonstration run at Jerez earlier this month.

The E22 features an unusual 'twin-tusk' nose design that caused problems for the team in passing the mandatory front crash-tests.

Lotus's twin-tusk theory explained

Lotus has endured a winter of significant change. Former Williams driver Maldonado has replaced Ferrari returnee Kimi Raikkonen on the driving strength, while team boss Eric Boullier recently left the squad to take up a racing director role at rival McLaren.