diff --git a/src/widgets/fuel_gauge.rs b/src/widgets/fuel_gauge.rs
index 234a066..ef73c8b 100644
--- a/src/widgets/fuel_gauge.rs
+++ b/src/widgets/fuel_gauge.rs
@@ -1,9 +1,15 @@
-use bevy::{color::palettes::css::*, prelude::*, ui::Val::*};
+use bevy::{
+  color::palettes::css::*,
+  ecs::{component::HookContext, world::DeferredWorld},
+  prelude::*,
+  ui::Val::*,
+};
 
 use crate::game::consumables::{Fuel, FuelChanged};
 
 #[derive(Component)]
 #[require(Label)]
+#[component(on_add = FuelGauge::refresh_label)]
 pub struct FuelGauge(Entity);
 
 impl FuelGauge {
@@ -41,4 +47,23 @@ impl FuelGauge {
     );
     label.0 = format!("Fuel: {}", fuel.0);
   }
+
+  fn refresh_label(mut world: DeferredWorld, ctx: HookContext) {
+    // Get the machine ID from the FuelGauge component.
+    let Some(machine_id) = world.get::<FuelGauge>(ctx.entity).map(|fg| fg.0) else {
+      panic!("Couldn't get a FuelGauge during it's on-add hook run!");
+    };
+    // and fuel level
+    let Some(fuel) = world.get::<Fuel>(machine_id).map(|lvl| lvl.0) else {
+      // TODO: Maybe don't panic and just emit a warning.
+      panic!("Couldn't get a Fuel for a machine during a FuelGauge on-add hook.");
+    };
+
+    // Get an excl ref to the Text component so we can redraw its text
+    let Some(mut label) = world.get_mut::<Text>(ctx.entity) else {
+      panic!()
+    };
+    
+    label.0 = format!("Fuel: {}", fuel);
+  }
 }