9  Chill and gas with tenor or get back to work? (7)

10 Flash northern lad having ball breaking wind (7)

11 Gas board's second and final letter about energy (5)

12 Lack of faith in detective getting second conviction (9)

13 A gas ousting The First Couple for power or wealth (9)

15 Fumes associated with mature son, or passing gas (5)

16 Like Hoskins to occupy very large watering hole (5)

18 Male committed after losing head on drugs (9)

20 Most filthy German titters on sniffing gas (9)

23 Collect a van for major US gas producer? (5)

24 With right direction, a bishop can be up to date (7)

25 Fellow sat in shivering again without gas money? (7)

26 Possible treatment for a proven hysteria? (8,7)

 1  Parents groan on raising a black sheep (7,3,5)

 2  Reduce intensity of gas after taking drugs orally (4,3)

 3  Ops in which German police will ring Domino's? (5-4)

 4  Foul gas this setter had after egg and tofu starters (5)

 5  Ranch dressing some hated (9)

 6  Get up about noon to wash quickly (5)

 7  Like a party with wedding band, perhaps! (7)

 8  New feminists and yet old doctrine? (8,7)

14 Crap opium perhaps source of tummy with gas (6,3)

15 Side dominated by City in right form (9)

17 Pest turned up gas, and egg's on top of oven! (7)

19 Scholar at autopsy holding heaven-bound reptile (7)

21 Fix up covering over gas leaking from ducts? (5)

22 Weaselly type dropping what looks like a dollar for pledge (5)