DAVOS, Switzerland, Jan 23 (Reuters) - Volkswagen will

need to make additional investments in the United States to hit

its target of doubling market share in the country, its CFO Arno

Antlitz said on the sidelines of the World Economic Forum (WEF)

in Davos, Switzerland on Thursday.

"We need additional initiatives ... to double market share,

you have to be even more local," Antlitz said when asked whether

the carmaker has plans to expand its U.S. plant in Chattanooga,

Tennessee.

"We are strong in Europe, but we need to do more

'value-added' in the U.S.," Antlitz said, listing research and

development as a potential area to invest. "But we have to

decide on the project first," he added, declining to give

further details.