In a report for CNN’s Eco Solutions, Anna Stewart explores how Egyptian company Tagaddod is producing biofuels using recycled cooking oil collected from households around the country. According to the OECD, throughout a year the average human consumes around 20kg of vegetable oil. In Egypt, this number is even higher. Once used, most cooking oil is discarded. Cairo-based startup Tagaddod […]

Rolls-Royce’s hybrid-electric aero power and propulsion system has delivered more than a megawatt of power just weeks after going on test for the first time. Power Generation System 1 (PGS1) reached the milestone at the newly-renovatedTestbed 108 in Bristol, UK. Testing is continuing with the aim of reaching up to 2.5 megawatts. PGS1 is a […]