Herbert Diess, CEO of German carmaker Volkswagen is surrounded by media during the annual news conference at the Volkswagen plant in Wolfsburg, Germany March 12, 2019. REUTERS/Fabian Bimmer

WOLFSBURG (Reuters) - Volkswagen will decide whether it makes sense to raise its stake in Chinese joint venture companies toward the end of this year or beginning of next year, Chief Exectuive Herbert Diess said on Tuesday.

The carmaker will also unveil plans for North America at the end of the first quarter, VW said at a news conference to discuss the company’s full-year results.