Wizz Air invests $6.4M in Firefly’s sewage sludge-based SAF

In the UK, Wizz Air recently announced a £5 million investment in a biofuel company, Firefly. This is Wizz Air’s first equity investment in sustainable aviation fuel (SAF) research and development.

The partnership with Firefly will allow the airline to supply SAF to its UK operations from 2028, up to 525,000 metric tons over 15 years. The agreement has the potential to save 1.5 million tons of CO2-eq. 

Firefly specializes in a process, which converts sewage sludge, a low-value waste product available in large quantities, into SAF. More than 57 million tons of sewage sludge are produced in the UK each year, with the potential to produce 250,000 tons of SAF.