*Renewable energy source … and the end of the word ladder Crossword Clue

• Air force?

  New York Times · Sunday, August 20, 2023 · 4 letters

• Current

  New York Times · Saturday, November 6, 2021 · 4 letters

• Word before chill or chimes

  New York Times · Monday, July 27, 2020 · 4 letters

• Trachea

  New York Times · Wednesday, September 18, 2019 · 4 letters

• Air condition?

  New York Times · Thursday, February 7, 2019 · 4 letters

• Tucker out, in a way

  New York Times · Saturday, November 3, 2018 · 4 letters

• Notable feature of Chicago

  New York Times · Wednesday, September 12, 2018 · 4 letters

• Eurus, in Greek mythology

  New York Times · Wednesday, November 22, 2017 · 4 letters

• Kite flier's need

  New York Times · Monday, August 22, 2016 · 4 letters

• Empty talk

  New York Times · Thursday, February 20, 2014 · 4 letters

More clues from this crossword

• 54-Across Carbon-based energy source
• 54-Down A long way away
• 55-Down Kimono sash
• 56-Down "Chocolate" breed, for short
• 57-Down Rock's ___ Fighters
• 58-Across Diddly-squat
• 58-Down As we speak
• 59-Across Border on
• 60-Across Major blood vessel
• 61-Across Lena of "Chocolat"
• 62-Across Fabric tears
• 63-Across Barking orders, say