Now, this is pretty neat. The concept uses energy from the exhaust gasses of the traditional Internal Combustion Engine to power a steam engine which also contributes power to the automobile – an overall 15 per cent improvement for the combined drive system. Even bigger news is that the drive has been designed so that it can be installed in existing model series – meaning that every model in the BMW range could become 15% more efficient overnight if the company chose to make the reduced consumption accessible to as many people as possible.
Check out the rest of the write up at:
http://www.gizmag.com/go/4936/