Across
Releasing gas including hydrogen (an amount you barely notice) (8)
I haven't cracked this one yet — but Fifteensquared have:
An envelope (‘including’) of H (‘hydrogen’, chemical symbol) in FARTING (‘releasing gas’).
Almost devoured some bananas nearby (2,4)
Diagram of dessert with mostly poorly mixed filling (5,4)
What remains of a public speaking platform (5)
Cryptic clue: ‘Moocher’s artistic feature’ (6,6)
I haven't cracked this one yet — but Fifteensquared have:
An anagram (‘cryptic’) of ‘clue moocher moochers ‘.
A piece, when put together, found in tea chest (4)
Current – energy + time, figuratively and in symbols (10)
Veg and fruit nutcase takes in the wrong way (5,5)
I haven't cracked this one yet — but Fifteensquared have:
`An envelope (‘takes’) of NI (‘in the wrong way’) in PEAR (‘fruit’) plus LOON (‘nutcase’).
Saint engaged in bowel movement (4)
Break up fog with a green concoction (5-3,4)
Titled person’s bad mood after losing head (5)
On camera, I whipped up a drink (9)
By and large, Oscars host Ellen comes back calm and restful (6)
Bawdy record, what a jazz musician may produce (4,4)
Down
Instrument composed of elements 9, 53 and 26 (4)
I haven't cracked this one yet — but Fifteensquared have:
The atomic numbers of ‘elements’ F (fluorine, ‘9’) , I (iodine, ’53’) and FE (iron, ’26’).)
Bird seen in a corner? (4)
Dessert, for the most part, is tart (6)
In no man’s land, Lee shot world leader (6,7)
I haven't cracked this one yet — but Fifteensquared have:
An anagram (‘shot’) of ‘no mans land Lee’
TT’s precedent-setter? (8)
I haven't cracked this one yet — but Fifteensquared have:
TT is indeed T es T case, but I am surprised at the enumeration (8) rather than (4,4).
A smart-alecky fish? That ain’t right (5,5)
Electronic news media captivated by Céline’s economic woes (10)
I haven't cracked this one yet — but Fifteensquared have:
An envelope (‘captivated by’) of E (‘Electronic’) plus PRESS (‘news media’) in DION (‘Celine’, singer).
Calmness (or irritability, à la Superman?) (6,2,5)
I haven't cracked this one yet — but Fifteensquared have:
Definitioon and literal interpretation.
Rotten bunch’s drunken exploits on board ship (3,7)
ER’s namesake’s one sadly unrecognisable after bugs removed (5,5)
I haven't cracked this one yet — but Fifteensquared have:
An anagram (‘sadly’) of ‘[u]nreco[g]ni[s]a[b]e’ minus ‘bugs’, for the decommissioned Queen Elizabeth and Queen Elizabeth 2.
Force on trial wrongfully, but this straightens things out (8)
I haven't cracked this one yet — but Fifteensquared have:
A charade of F (‘force’) plus LATIRON, an anagram (‘wrongfully’) of ‘on trial’.
It’s rough to turn up with a blind trio (6)
Yoga instructor bends over backwards to accommodate Shakespearean (4)
Form of oxygen, oxygen absent in space (4)
Type letters or click words in the clue