diff --git a/examples/train_blueprint.rs b/examples/train_blueprint.rs
index b30cae2..e9e3504 100644
--- a/examples/train_blueprint.rs
+++ b/examples/train_blueprint.rs
@@ -31,10 +31,11 @@ fn main() {
         BlueprintBook::builder()
             .blueprints(b)
             .active_index(0)
-            .version(562949954797573)
             .build(),
     );
 
+    // let b = BlueprintString::Blueprint(generate_train(1, 2, false, false));
+
     println!("{}", serde_json::to_string_pretty(&b).unwrap());
 
     println!(
diff --git a/src/blueprint/structs.rs b/src/blueprint/structs.rs
index 5a37756..12d369f 100644
--- a/src/blueprint/structs.rs
+++ b/src/blueprint/structs.rs
@@ -4,6 +4,12 @@ use bon::Builder;
 use serde::Deserialize;
 use serde::Serialize;
 
+static VERSION: u64 = calculate_version(2, 0, 19, 173);
+
+const fn calculate_version(major: u16, minor: u16, patch: u16, dev: u16) -> u64 {
+    ((major as u64) << 48) | ((minor as u64) << 32) | ((patch as u64) << 16) | (dev as u64)
+}
+
 #[derive(Serialize, Deserialize, Debug)]
 pub enum BlueprintString {
     #[serde(rename = "blueprint_book")]
@@ -22,6 +28,7 @@ pub struct BlueprintBook {
     label_color: Option<BlueprintColor>,
     blueprints: Vec<BlueprintBookEntry>,
     active_index: i32,
+    #[builder(skip = VERSION)]
     version: u64,
 }
 
@@ -68,6 +75,7 @@ pub struct Blueprint {
     absolute_snapping: Option<bool>,
     #[serde(skip_serializing_if = "Option::is_none")]
     position_relative_to_grid: Option<BlueprintPosition>,
+    #[builder(skip = VERSION)]
     version: u64,
 }
 
diff --git a/src/blueprint/train.rs b/src/blueprint/train.rs
index 1151940..849a9de 100644
--- a/src/blueprint/train.rs
+++ b/src/blueprint/train.rs
@@ -75,11 +75,55 @@ pub fn generate_train(locomotives: u32, wagons: u32, rails: bool, fluid: bool) -
         "[virtual-signal=signal-C]"
     };
 
+    let mut fuel_conditions = Vec::new();
+
+    fuel_conditions.push(serde_json::json!({
+        "compare_type": "and",
+        "station": format!("[virtual-signal=signal-F][virtual-signal=signal-{locomotives}][virtual-signal=signal-{wagons}]"),
+        "type": "specific_destination_not_full"
+    }));
+
+    for (fuel, min) in [
+        ("coal", 50),
+        ("solid-fuel", 50),
+        ("rocket-fuel", 20),
+        ("nuclear-fuel", 1),
+    ] {
+        fuel_conditions.push(serde_json::json!({
+            "compare_type": "and",
+            "type": "fuel_item_count_any",
+            "condition": {
+                "comparator": "≤",
+                "constant": min,
+                "first_signal": {
+                    "name": fuel,
+                },
+            }
+        }));
+    }
+
     let schedule = serde_json::json!({
         "locomotives": [1],
         "schedule": {
             "group": format!("{cargotype}[virtual-signal=signal-{locomotives}][virtual-signal=signal-{wagons}]"),
             "interrupts": [
+                {
+                    "name": format!("[virtual-signal=signal-F][virtual-signal=signal-{locomotives}][virtual-signal=signal-{wagons}]"),
+                    "conditions": fuel_conditions,
+                    "inside_interrupt": true,
+                    "targets": [
+                        {
+                            "station": format!("[virtual-signal=signal-F][virtual-signal=signal-{locomotives}][virtual-signal=signal-{wagons}]"),
+                            "wait_conditions": [
+                                {
+                                    "compare_type": "and",
+                                    "ticks": 120,
+                                    "type": "inactivity"
+                                }
+                            ]
+                        }
+                    ]
+                },
                 {
                     "name": format!("{cargotype}[virtual-signal=signal-{locomotives}][virtual-signal=signal-{wagons}][virtual-signal=signal-L]"),
                     "conditions": [
@@ -145,7 +189,7 @@ pub fn generate_train(locomotives: u32, wagons: u32, rails: bool, fluid: bool) -
             ],
             "records": [
                 {
-                    "station": "Depot"
+                    "station": format!("[virtual-signal=signal-D][virtual-signal=signal-{}]", locomotives + wagons),
                 }
             ]
         }
@@ -156,7 +200,6 @@ pub fn generate_train(locomotives: u32, wagons: u32, rails: bool, fluid: bool) -
         .entities(e)
         .stock_connections(stock_connections)
         .schedules(vec![schedule])
-        .version(562949954797573)
         .snap_to_grid(BlueprintPosition::new(
             4.0,
             2.0 * ((locomotives + wagons) * 7).div_ceil(2) as f64,