CLEAN ENERGY?

*Tunisian wastewater utility ONAS has decided to go on the offensive to cut its energy bill, which has grown dramatically as the number of wastewater treatment plants in the country has mushroomed from 52 to 106.

It will be fitting some plants with fine bubble aeration systems to reduce their energy consumption by 25%, while others will be fitted with biogas cogeneration systems to generate 40% of their energy requirement.

* The Dubai Electricity and Water Authority is also concerned about its energy consumption. It is launching a carbon emissions reduction programme in order to qualify for ...

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