Tesla plans to begin mass production of its all-electric Class 8 Semi truck by the end of the year at its factory in Nevada.

The Tesla Semi purports to accelerate extremely fast for a truck — 0 to 60 mph in 20 seconds with a full load — and its standard features like autopilot can make long-haul trips effortless.

During Tesla’s latest earnings call, the vehicle maker’s Class 8 Semi was top of mind, leading to a revelation on the model’s ...