ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,480,454, issued on Nov. 25, was assigned to Volkswagen AG (Wolfsburg, Germany).

"Operation of a motor vehicle as a function of exhaust emissions" was invented by Johannes Bunkus (Hoetensleben OT Barneberg, Germany) and Stephan Kraus (Gross Twuelpstedt, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for operating a motor vehicle with an internal combustion engine, comprising a combustion engine and an exhaust line with an exhaust aftertreatment system. At least one environmental emission of an exhaust component or multiple exhaust components, contained in the exhaust gas generated by the combustion engine, is determined. If a limitation ...