ALEXANDRIA, Va., April 21 -- United States Patent no. 12,606,154, issued on April 21, was assigned to Bayerische Motoren Werke AG (Munich).

"Method for operating a motor vehicle, and motor vehicle" was invented by Laura Baumgartner (Schwabhausen, Germany) and Christoph Reichmann (Dachau, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure is directed to operation of a motor vehicle including a first motor configured as an internal combustion engine and a second motor configured as an electric motor. The first motor comprises a combustion chamber, an ignition source and a prechamber that is coupled fluidically to the combustion chamber and into which a portion of the ignition source ...