Suspicions of fraud, "ridiculous" data and a dearth of used cooking oil risk undermining the fuel's green credentials. Read ...

Airlines and governments say use of sustainable aviation fuel is a key way to cut aviation emissions. Read more at ...

CleanJoule’s high-performance rocket fuel, SpaceSAF, successfully powered a Rotating Detonation Rocket Engine (RDRE) developed by Venus Aerospace.

When the distances of every leg of Ms Kyte’s travel – all of which was on official business – are added up it equates to a ...