flux core aluminum welding wire

https://www.sino-welding.com/news/flux-core-aluminum-welding-wire.html

Flux Core Aluminum Welding Wire is referred to as gasless aluminum welding wire, it sounds like a suitable option for a minor welding job. And one that can save you hundreds on MIG welding gas and a spool gun. Does aluminum flux core welding wire even exist? And, can you weld aluminum with a flux core welder? A simple internet search turns up interesting, but mostly unhelpful results that contribute to the confusion.