Dec 1 (Reuters) -
* Vale CFO Luciano Siani says capital investment needed to maintain production will stabilize at about $3 billion a year
* Vale CFO says it should close plans for coal logistics joint venture in Mozambique by 1st half 2016
* Vale CFO says can break even with iron ore at $40 a tonne starting in 2017
* Vale says it will need to finance cash needs in 2016 if iron ore is at $40 a tonne in 2016 Further company coverage: urn:newsml:reuters.com:*:nL1N13Q0PX