Energy-saving synonyms

For instance, if every household used energy-saving light bulbs, a power station could be closed.

New technology was also assessed: from self-cleaning windows to an automatic shirt ironer and energy-saving ventilation.

The sensational brightness of these energy-saving lamps makes all other ESL reflectors look outmoded.

Configured to automatically activate the energy-saving and shut-off functions, it looks after the pennies, so that the pounds look after themselves.