Solray Energy stakes claim to world's largest algae refinery, which converts toilet wastewater to biofuel
New Zealand is flushing with pride with the launch of what it claims is the world's biggest project to convert toilet wastewater to biofuel. Solray Energy unveiled its new sewage-fed algae refinery at...
White House announces series of initiatives to boost the number of electric vehicle charging stations across the US
Paris deal now likely to take effect before end of 2017, as UN invites countries to special ratification event in September
Risk-averse financiers including Aviva, BlackRock and State Street are pursuing renewable energy projects and seeing steady returns
Partnership with Starwood Energy Group will see discount retailer use 100 per cent wind power in 60 of its stores