ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,502,999, issued on Dec. 23.

"Systems and methods to improve transportation efficiencies" was invented by Dominique Meroux (San Francisco), Kai Wu (Pittsburgh) and Chen Zhang (South Lyon, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems and methods for optimizing transportation efficiency, for example, in the context of energy shortages. Techniques described herein may involve determining a high-price threshold is exceeded, identifying different vehicle types (e.g., high-efficiency vehicles, large battery capacity vehicles, etc.), prioritizing vehicles designated for charging and discharging, respectively, setting vehicle calibrations accordi...