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Tesla Inc. has had a “very tough quarter” as it struggles with supply chain snags, Chief Executive Officer Elon Musk warned in an internal memo, imploring workers to help get the electric vehicle maker back on track.

Rivian Automotive Inc. said it accelerated production and stepped up sales in the first quarter, keeping the electric pickup maker on track to deliver 25,000 EVs this year.

Rivian Automotive Inc. produced 2,553 vehicles in the first quarter as the maker of plug-in trucks contended with a snarled supply chain and pandemic challenges.

Rivian Automotive Inc. dropped to a record low after the electric-vehicle maker rolled back price increases on its debut cars for existing customers, marking an about-face as it ramps up production and seeks to win over more buyers.

Nikola Corp. said it will start full-scale output of battery-electric trucks next month and deliver between 300 and 500 of the big rigs to customers this year. Its shares rose despite a slump in the broader market.

Nikola Corp. announced a long-term supply agreement with Proterra Inc. for battery technology, giving the electric big-rig maker a second source for the critical components.

Rivian Automotive Inc., the electric pickup maker backed by Amazon.com Inc., fell below the $78 a share price of its November initial public offering.

Rivian Automotive Inc. said it expects to fall short of its annual production target as the electric pickup maker gave investors the first look at its operations as a public company.

Lucid Group Inc. said its debut battery-electric vehicle will be the first production car in the U.S. to include a purpose-built laser sensor, or lidar, enabling a broad range of advanced driver-assistance features.

Lucid Group Inc. has started production on its debut electric consumer car, with deliveries to begin at the end of October.