With Trevor Milton having stepped down as executive chairman of Nikola Motor Co. Sept. 21, the spotlight now falls to new chairman of the board Steve Girsky.

Trevor Milton has voluntarily stepped aside as executive chairman and board member of Nikola Corp., the electric truck company he created, it was announced Sept. 21.

Nikola Corp. is showcasing its innovations and detailing how it plans to get its clean-powered trucks to market. Here are photos of Nikola trucks.

Nikola Corp. made a fuller-throated denial of a report last week that claimed the electric-truck maker had deceived investors, accusing a short seller of mischaracterizations and distortions.

Just days after announcing a $2 billion agreement with General Motors, Nikola Corp. is fighting back against a “short seller” accusing the startup of deception and lying about its electric technology.

Nikola Corp. shares fell as much as 13% after Hindenburg Research published a report accusing the startup electric-vehicle maker of “deception” and lying about its technology.

Tesla Inc. shares slid on Sept. 8 after the electric-vehicle maker missed out on being included in the S&P 500 Index, taking investors who had bet on its entry to the benchmark by surprise.

General Motors Co. and Nikola Corp. on Sept. 8 announced a strategic partnership under which GM will build Nikola’s Badger pickup truck and also serve as a key supplier of fuel cell-electric technology for Nikola’s Class 7 and Class 8 trucks.

Trevor Milton, the founder and chairman of Nikola Corp., is giving the first 50 employees of the electric-truck startup 6 million of his own shares after making a promise when he hired them.

Electric-vehicle startup Nikola Corp. is urging stragglers to exercise their right to buy shares, the deadline for which has been extended until 5 p.m. Aug. 25.