Electric engines are seen at an Audi factory in Gyor, northwestern Hungary on July 24, 2018. (Photos: Xinhua)

A worker assembles an electric engine at an Audi factory in Gyor, northwestern Hungary on July 24, 2018.

German carmaker Audi launched the serial production of electric engines at its construction plant in Gyor on Tuesday, Hungarian news agency MTI reported.

Achim Heinfling (L), Chairman of the Audi Hungaria board of management, Hungary's Minister of Foreign Affairs and Trade Peter Szijjarto (C) and Audi board of management member for production and logistics Peter Kossler pose during the lauching ceremony at an Audi factory in Gyor, northwestern Hungary on July 24, 2018.