The commercial truck rental division is not for sale.
The companies said they were also discussing a combination of their truck divisions.
The same year the truck division was sold to the Norwegian Postal Service.
The combination will create Europe's No. 4 auto maker and strong bus and heavy truck divisions.
Moreover, in both the car and truck divisions, Volvo has been spending heavily to reduce costs.
"Three of their four big businesses are doing rather well," he said, referring to Chrysler, the truck division and financial services.
Moreover, cooperation has not been so successful in the truck divisions, where the two companies are direct competitors and Renault has continued to lose money.
He took DaimlerChrysler's truck division from $360 million in operating losses in 2002 to a profit of more than $1 billion the next year.
The company also named Takashi Usami, former chief of its truck division, in its suit.
Most of the major auto rental companies also have truck rental divisions...