BMW 2008 Annual Report Download - page 226

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67
Wastewater as an inexhaustible source of water. Wherever possible the BMW Group
taps into the most sustainable source of water there is: its own wastewater. For instance,
the BMW engine plant in Steyr, Austria has a closed water cycle for mechanical production
that uses a series of filters to purify drain water until it becomes fresh water again. Since
the outlet to the local sewer system was closed off in late , the plant has only drawn
fresh water to compensate evaporation losses. It means the plant uses up to  million litres
less water annually – about the same amount a small town of about  people uses.
Across the BMW Group the quantity of process wastewater per vehicle has fallen by more
than a quarter since .
Reduction in the water consumption of the BMW Group
more than , min 
The challenge of the future Topic four Profitability Clean Production
c