French industry minister said upping state's 20% stake in troubled engineering group, which announced a reorganisation of plants, was not planned 'at this moment in time'.
The non-smoking man shared a cell of around 20 square metres with up to six fellow inmates, several of whom were smokers.
The narrow vote in France's upper house follows a similar move by MPs in the National Assembly earlier this month.
MPs in National Assembly will take part in 'symbolic' vote on Palestine but French government itself will not 'act alone' and recognise state.
News comes as reports suggest loss-making carmaker is considering joint stake by French government and Chinese state firm Dongfeng Motor.
State-controlled body takes action to annul €403m award to colourful businessman Bernard Tapie over his dispute with bank Credit Lyonnais.
In 2007 the government under newly-elected President Nicolas Sarkozy launched a far-reaching series of reforms of the French state and its functions. These much-trumpeted measures were intended to modernise the country's administration – and save money. But though thousands of jobs have gone and some state services have become more expensive, there is little tangible proof that the changes have produced substantial savings. Lucie Delaporte reports.