For 2026, Tesla's truck lineup focuses on the continuing evolution of the futuristic Cybertruck, with refinements and potential new variants, alongside a major refresh for the Tesla Semi aiming for mass production with better efficiency, autonomous tech, and a more streamlined design, featuring updated styling like the Cybertruck's headlights and expected to leverage 4680 battery tech for improved performance and cost, potentially launching in a new Reno factory for serious market impact.