Steam Power Makes A Comeback

Generally people relate 'steam power' to the slowClean Power Technologies have created an
moving steam trains and boats of an age long sinceexperimental model in which engine exhaust at 750C,
left in the dust, a sentimental picture of a Victorianthe typical for a lorry, is run through a steam
railway perhaps... not exactly state of the artaccumulator which heats water to 360C plus, creating
eco-power you may say. However steam power ishigh pressure steam which they are ultimately aiming
getting a re-vamp thanks to a company who areto pump back to the main engine to drive the
trying to make the steam-engine more efficient andpistons. However at the moment they are using the
compatible with modern day technology.steam to run refrigeration units transporting frozen
Clean Power Technologies, in Newhaven on thegoods on the trucks. A demonstration truck is under
English south coast, are trying to create a car thatconstruction to be completed by the end of October.
runs on steam power. They are developing steamOnce they have completed the refrigeration units,
hybrid engines that cut down and reuse the hugethe company is planning to expand to powering the
amount of energy wasted by the internal combustionelectronics and air conditioning for boats, and
engine.hopefully by 2011 a complete steam hybrid car.
"When you talk of steam people think you are goingThe plans are supported by Dr Ralph Clague, a
backwards," said Abdul Mitha, the company's CEOmechanical engineer at Imperial College London,
and president, "Anywhere where you are wasting a"Recycling exhaust heat and energy that is rejected
lot of heat, we can go in, capture the heat and turnfrom the engine has got to be the way forward in
it into energy savings ... Steam has tremendousthe future." He feels that there has been no need to
power. If it can drive a steam locomotive, why can'timprove the efficiency before, however people are
it drive an automotive engine?"now faced with minimal fuel supplies and rocketing
Of the energy in a vehicles petrol tank, just 27% isprices, "A tank of petrol or a tank of diesel is such an
converted into forward motion, 33% is spent coolingincredibly good energy store that we have been able
the engine, 4% is lost as friction and a huge 36% isto afford to throw some of it away up until now."
lost as exhaust heat. The company is aiming toAlthough these ideas have been around in the
harness the wasted heat that is pumped out of theindustry for a while, Clean Power technology is
exhaust and convert it into useful power. "There is aaddressing them practically and productively. "It's a
lot of heat that is created and totally wasted. Cleanperfectly feasible idea ... Obviously now with rising oil
Power Technologies aims to recover 40% of thisprices etc it becomes essential to extract more
exhaust heat", Mitha.energy from the fuel you are putting in." Clague.