Senator Carr held a day-long series of meetings with Toyota's executives in Tokyo, while a review of automotive manufacturing in Australia works to prepare an interim report on the future of the industry by the end of this month.
The Rudd Government has committed to spend $500 million on a green car fund, which could be used to convince Toyota to produce hybrid cars in Australia.
Toyota produces its petrol-engined Camry and Aurion vehicles in Victoria, at Altona.
A spokeswoman for Senator Carr said the meetings were "very productive discussions".
"He has reinforced the federal Government's enthusiasm for the motor vehicle industry," shesaid.
