CleanSkies - Haush

JetZero’s Z4: A Glimpse into Hydrogen-Fuelled Aviation’s Future

By Hilton Supra | 22/09/2025 |

JetZero, a California-based aerospace startup, is pushing the boundaries of airliner design with its Z4 blended wing‐body (BWB) or “all wing” airliner.

ReFuelEU Aviation: Europe’s SAF Demand & Feedstock Feasibility

By Richard Winterbourne | 08/04/2025 |

haush_refueleu-aviation-europes-saf-demand-amp-feedstock-feasibility

The Path to 70% Sustainable Aviation Fuel by 2050. The European Union’s ReFuelEU Aviation regulation marks a transformative shift in aviation fuel policy.

Sustainable Aviation Fuel (SAF) Feedstocks: Biomass and Waste Materials

By Adam Hill | 11/02/2025 |

Sustainable Aviation Fuel (SAF) is a critical solution for reducing the carbon footprint of air travel.