Tesla Inc. is being sued for more than $2 billion by electric-hydrogen truck startup Nikola Motor Co., which is claiming its patents were infringed. In a lawsuit filed Tuesday in Arizona, Nikola claims Tesla TSLA, +2.05% copied the design of its big rigs, which Nikola first unveiled in May 2016. According to a court filing, in early November 2017, Nikola sent a cease-and-desist letter to Tesla pointing out features on the electric Tesla Semi that resembled features on its own semi trucks — including the wraparound windshield, mid-entry door and aerodynamic fuselage — and demanded Tesla delay the public unveiling of ... (full story)