DUBAI, United Arab Emirates — Long-haul carrier Emirates successfully flew a Boeing 777 on a test flight Monday with one of its two engines entirely powered by so-called sustainable aviation fuel.

Sustainable components currently can be combined with conventional petroleum-based jet fuel in blends of up ... SAF development pathways. The Emirates ground test, for example, used two SAF ...

Long-haul carrier Emirates successfully flew a Boeing 777 on a test flight Monday with one of its two engines entirely powered by so-called sustainable aviation fuel. This comes as carriers ...