Volkswagen plans to invest 500 million euros over five years in its Portuguese multi-purpose vehicle (minivan) plant, chief executive Bernd Pischetsrieder said, according to Reuters. Speaking at a ceremony to mark the production of the millionth vehicle at the Autoeuropa plant in Palmela, 30 km (20 miles) south of Lisbon, Pischetsrieder said he had met Prime Minister Jose Manuel Durao Barroso to discuss the plant's future, Reuters said.