ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,528,448, issued on Jan. 20, was assigned to FCA US LLC (Auburn Hills, Mich.).

"Hybrid electric vehicle energy management during extreme operating conditions" was invented by Cornelius N Opris (Oxford, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "An energy management technique for an electrified vehicle controls an electrified powertrain to maintain a fuel reserve in a fuel tank, wherein the fuel reserve is a threshold amount above a minimum amount of fuel that is kept in the fuel tank while indicating that the fuel tank is fully depleted, detects an operating condition of the electrified vehicle when (i) the fuel tank is depleted down to the fue...