diff --git a/app/config_loader.py b/app/config_loader.py
index 3d50b31..688cdfa 100644
--- a/app/config_loader.py
+++ b/app/config_loader.py
@@ -5,10 +5,24 @@ def get_vehicles():
     return current_app.config.get("TOML", {}).get("vehicles", {})
 
 
+def get_motor_vehicles():
+    """Retourne uniquement les véhicules de type 'moteur'."""
+    return {k: v for k, v in get_vehicles().items() if v.get("type") == "moteur"}
+
+
 def get_journeys():
     return current_app.config.get("TOML", {}).get("journeys", {})
 
 
+def journey_has_motor(journey_profile_id: str | None) -> bool:
+    """Retourne True si le profil de trajet inclut un véhicule à moteur."""
+    if not journey_profile_id:
+        return False
+    journeys = get_journeys()
+    profile = journeys.get(journey_profile_id, {})
+    return "moteur" in profile.get("distances", {})
+
+
 def get_bareme(year: int, cv: int) -> list[dict]:
     bareme = current_app.config.get("TOML", {}).get("bareme_kilometrique", {})
     year_data = bareme.get(str(year), {})
diff --git a/tests/test_config_loader.py b/tests/test_config_loader.py
index 057b25d..53ed7d6 100644
--- a/tests/test_config_loader.py
+++ b/tests/test_config_loader.py
@@ -2,16 +2,40 @@ def test_get_vehicles_returns_configured_vehicles(app):
     with app.app_context():
         from app.config_loader import get_vehicles
         vehicles = get_vehicles()
-        assert "voiture" in vehicles
-        assert vehicles["voiture"]["co2_per_km"] == 142
+        assert "familiale" in vehicles
+        assert vehicles["familiale"]["co2_per_km"] == 142
+
+
+def test_get_motor_vehicles_excludes_velo(app):
+    with app.app_context():
+        from app.config_loader import get_motor_vehicles
+        motor = get_motor_vehicles()
+        assert "familiale" in motor
+        assert "citadine" in motor
+        assert "moto" in motor
+        assert "velo" not in motor
 
 
 def test_get_journeys_returns_profiles(app):
     with app.app_context():
         from app.config_loader import get_journeys
         journeys = get_journeys()
-        assert "voiture_seule" in journeys
-        assert journeys["voiture_seule"]["distances"]["voiture"] == 25
+        assert "moteur_seul" in journeys
+        assert journeys["moteur_seul"]["distances"]["moteur"] == 25
+
+
+def test_journey_has_motor_true(app):
+    with app.app_context():
+        from app.config_loader import journey_has_motor
+        assert journey_has_motor("moteur_seul") is True
+        assert journey_has_motor("moteur_velo") is True
+
+
+def test_journey_has_motor_false(app):
+    with app.app_context():
+        from app.config_loader import journey_has_motor
+        assert journey_has_motor("velo_seul") is False
+        assert journey_has_motor(None) is False
 
 
 def test_get_bareme_returns_tranches(app):