Toyota said it would invest $282 million in its Huntsville engine plant to add new production lines for drivetrain products, creating more than 350 jobs and lifting its total investment there to $1.7 billion since 2003. The plant is Toyota's largest engine producer in North America, building more than 770,000 engines in 2023 for seven North American vehicle plants. About the plant Toyota Alabama, in Huntsville, has more than 2,000 workers. Its engines go into the Corolla, Corolla Cross, Highlander, RAV4, Sequoia, Sienna, Tacoma and Tundra. Toyota did not say which drivetrain parts the new lines will make or when they start.