Wider use of waste heat will be encouraged and a 15 per cent saving on the government energy bill sought by 1995.

It is criticized furthermore that the investment efficiency is not maximized by additional measures like using of waste heat.

Co-generation - the use of waste heat to generate electricity -accounts for most of the electric capacity being added today.

At present-before the accident-it was felt the best use of waste heat was in the creation of microclimates around the domes, to be reservoirs for the next wave of higher biota."

For reasons of economy, some experts think that algae farming for biofuels will have to be done as part of cogeneration, where it can make use of waste heat and help soak up pollution.

Because of this ability to take full advantage of the temperature difference between the particular heat source and sink available, it finds applications in reuse of industrial process heat, geothermal energy, solar energy, and use of waste heat from power plants (Bottoming cycle).

Most utilities get the bulk of their power from large coal and nuclear operations at costs that are two or three times as high as power from smaller, more efficient plants that can both make use of waste heat and take advantage of the current glut of natural gas.