A 2021 Model 3 sedan is connected to a charger at a Tesla dealership in Littleton, Colo. The National Highway Traffic Safety Administration said it’s upgrading the probe into an engineering analysis, another sign of increased scrutiny of the electric vehicle maker and automated systems that perform at least some driving tasks. DAVID ZALUBOWSKI
By Tom Krisher Associated Press DETROIT (AP) — Teslas with partially automated driving systems are a step closer to being recalled after the U.S. elevated…