Across:

1 What the eco-conscious might bring to the grocery store
8 Hot sauce from Avery Island, LA
15 Shakespearean Moor
16 What an operator operates upon
17 Musical intro
18 Accept, as a lesser charge
19 Yak
20 Reacts in fear, as a horse
22 In favor of
23 Sufficient, slangily
25 Answers an invitation
26 Philly convenience store with a repetitive name
27 Brother of Prometheus
29 “___-haw!”
30 Like Cheerios
31 Baseball Hall of Famer Fingers
33 Top-level warning
35 ___ Domini
37 Floppy ___
38 Pictures in a Mr. Universe calendar
42 Renewable fuel made from organic matter
46 ___ show (carnival attraction)
47 “___ for apple”
*49 Material for Elvis’s shoes
50 Reykjavik’s home: Abbr.
51 Chatty bird
53 Six-pointed star-shaped screw head
54 It makes pot potent: Abbr.
55 Problematic backward pass in football
57 Gucci Mane’s specialty
58 Road hazard
60 Wouldn’t release
62 City on the Susquehanna
63 British Broadcast Receivers
64 Annually
65 Pacify

Down:

1 Popular BBC car series
2 Town on the SE tip of Italy that’s the title setting for a Horace Walpole novel
3 Taurus
4 Slippery swimmer
*5 Fuzzy image
6 Birch relative
7 Have mercy (on)
8 Fastest possible velocity
9 Great grade
10 Traffic jam sound
11 Altar constellation
12 Tragic end
13 Toronto skyline landmark
14 Scent-providing stuff
21 Winnebago owner, briefly
24 Middle Eastern ground-vegetable appetizer
26 Workplace protest

28 From then on
*30 Desert refuge
32 Bambi’s aunt
34 Fish in a way
36 “Yes, honey”
38 90’s cultural movement from across the pond… and a description of four answers in this puzzle
39 Every last person
40 More upright
41 Half of zwei
43 Where Rome and Athens are
44 They’re high for the Super Bowl
45 Some tabloid exclusive, slangily
48 Holy places
51 Mediterranean island country
52 Simona ___ (2019 Wimbledon winner)
55 Dog biscuit shape
*56 Orange juice option
59 Today, in Tijuana
61 Mets’ div.