A bit of RNG is required to get Trinity Ghoul, as it drops randomly from Exotic engrams.

Source: https://gamerant.com/destiny-2-best-bows/

A third RNG plant is expected to be at mechanical completion by the end of the year and fully commissioned in early 2024.

Source: https://seekingalpha.com/article/4648219-ameresco-inc-amrc-q3-2023-earnings-call-transcript?source=feed_all_articles

It will accept wasted food from retail food customers, agricultural food producers, industrial food manufacturers, restaurants and others and convert it into renewable natural gas, or RNG.

Source: https://calgary.ctvnews.ca/enbridge-divert-break-ground-on-renewable-fuel-facility-in-washington-1.6551947

Sticking with the theme of RNG development.

Source: https://seekingalpha.com/article/4582602-ameresco-inc-amrc-q4-2022-earnings-call-transcript?source=feed_all_articles

This was too reliant on RNG, so Bungie made some significant changes to how new Exotic Armor could be acquired.

Source: https://gamerant.com/destiny-2-how-get-necrotic-grip-warlock-exotic/