6  Worried, I daren't exchange old car for another (5,2)

 7  Love's protective covering losing reason primarily (5)

 9  Go by public transport hard in large wilderness area (4)

10 With bit of paint, he dabbles haphazardly creating coating for house wall (10)

11 Boundless hope - its limit finally is glum - seeing your glass half full (8)

13 About skill centrally powering person driving farm vehicle (6)

15 Behold publicity for cargo (4)

17 Dispiriting experience, but not initially, for possessor (5)

18 Quiet folk (not female) perform a Bohemian dance (4)

19 Penetrate theatrical production clutching opening of role (6)

20 Mother with John, dancing on child's horse in Chinese game (3-5)

23 Uproar to pierce body with a missile - a bear in India (10)

26 Crack fellow (4)

27 Person laying roofing material to retrospectively depend on technique principally (5)

28 At that place - theatre possibly (7)

 2  Earthenware originally in site of Greek oracle (6)

 3  Singular wealthy man, a pretentious prig (4)

 4  Little Charles chasing telegram in alpine resort's transport (5,3)

 5  Crossing point beneficial to Germany (4)

 6  Winning card for good trusty person (some say) (5)

 8  Adopt new orthography with regard to special English lines (7)

12 Small Roman coin - one way or another it's just half a note (5)

14 Reproofs concerning essentially decomposing fishes (10)

16 Roman poet sadly cut tube along which eggs pass (7)

17 Christmas turkey maybe or bird that builds a domed nest (8)

21 Linger nervously around old vacuum cleaner (6)

22 Bestow good bombastic tirade (5)

24 Plainly now and then with time speak with swinging rhythm (4)

25 Frothy milky coffee losing hint of taste towards the end (4)