Take context from the input text and decide on the accurate relationship between 'Paccar' and 'Truck' from the options provided.
Options: position held, developer, product/material produced, member of

Truck maker Scania, a unit of Volkswagen AG (Other OTC: VLKAF - news ) , said its orders rose 41 percent in the second quarter in Europe, compared to the same period last year, while U.S. rival Paccar Inc (NasdaqGS: PCAR - news ) said orders at its European unit, DAF, were 60 percent higher in the quarter, as growing freight traffic -- a key economic indicator -- drove sales.
product/material produced