ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,486,808, issued on Dec. 2, was assigned to Volvo Truck Corp. (Gothenburg, Sweden).

"Gaseous fuel supply system to a clean combustion engine" was invented by Rafig Babayev (Gothenburg, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "A gaseous fuel supply system for a clean combustion engine configured to receive gaseous fuel at a changeable demanded injection pressure being above a predetermined minimum required injection pressure and below a predetermined maximum required injection pressure. The supply system comprises a control unit configured to control supply of pressurized gaseous fuel from a first gaseous fuel tank arrangement to the clean com...