GENEVA — The world's first regulation for fully driverless vehicles, recently adopted by the United Nations Economic Commission for Europe, or UNECE, marks "a decisive breakthrough" after a decade-long effort, said a senior UN official, while praising China's "significant and constructive" role in shaping the landmark rules.

China has emerged as a key architect of global autonomous driving rules after helping develop the world's first harmonized technical regulation for the field, a milestone expected…

GENEVA — The world's first regulation for fully driverless vehicles, recently adopted by the United Nations Economic Commission for Europe, or UNECE, marks "a decisive…