diff --git a/changelog.txt b/changelog.txt
index 8150e5f..781f035 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -3,7 +3,8 @@ Version: 0.1.1
 Date: 2022-09-01
   Changes:
     - Fix basic chem plant icon in upgrade planner, etc
-    - When coke is present, alternate phenol recipe now 12 energy instead of 15.
+    - When coke is present, alternate phenol recipe faster (15 -> 12)
+    - Formaldehyde from natural gas is very slightly faster (2 -> 1.8)
     - Minor recipe unlock tweaks
 ---------------------------------------------------------------------------------------------------
 Version: 0.1.0
diff --git a/prototypes/formaldehyde.lua b/prototypes/formaldehyde.lua
index e99826f..d6ce124 100644
--- a/prototypes/formaldehyde.lua
+++ b/prototypes/formaldehyde.lua
@@ -28,7 +28,7 @@ data:extend({
     ingredients = {
       {type="fluid", name="gas", amount=10}
     },
-    energy_required = 2,
+    energy_required = 1.8,
     results = {
       {type="fluid", name="formaldehyde", amount=9}
     },