diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index f63e628..335ee99 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -56,13 +56,13 @@ jobs:
       - uses: actions/checkout@v2
 
       - name: Install python version
-        uses: gabrielfalcao/pyenv-action@v7
+        uses: gabrielfalcao/pyenv-action@v13
         with:
-          default: 3.9.0
+          default: 3.10.6
           command: pip install -U pip  # upgrade pip after installing python
 
       - name: create environment
-        run: pyenv local 3.9.0 && python -mvenv .venv390
+        run: pyenv local 3.10.6 && python -mvenv .venv390
 
       - name: Install dependencies
         run: |
@@ -88,7 +88,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ "ubuntu-latest" ]
-        python-version: [ "3.9" ]
+        python-version: [ "3.10" ]
     steps:
       - uses: actions/checkout@v2
       - uses: conda-incubator/setup-miniconda@v2
diff --git a/conda/conda_build_config.yaml b/conda/conda_build_config.yaml
index 8d03891..30c7120 100644
--- a/conda/conda_build_config.yaml
+++ b/conda/conda_build_config.yaml
@@ -1,2 +1,2 @@
 python:
-  - 3.9
\ No newline at end of file
+  - 3.10
\ No newline at end of file
diff --git a/requirements.txt b/requirements.txt
index f9a1274..d07f474 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,2 +1,2 @@
-carculator-utils==1.2.0.dev0
+carculator-utils>=1.2.0.dev5
 prettytable
\ No newline at end of file
diff --git a/setup.py b/setup.py
index f7b59db..9ceecc8 100644
--- a/setup.py
+++ b/setup.py
@@ -40,7 +40,8 @@ def package_files(directory):
     package_data={
         "carculator_truck": package_files(os.path.join("carculator_truck", "data"))
     },
-    install_requires=["carculator_utils==1.2.0.dev0", "prettytable"],
+    python_requires=">=3.10",
+    install_requires=["carculator_utils>=1.2.0.dev5", "prettytable"],
     url="https://github.com/romainsacchi/carculator_truck",
     description="Prospective environmental and economic life cycle assessment"
     "of medium and heavy goods vehicles",
diff --git a/tests/test_inventory.py b/tests/test_inventory.py
index c880ee8..72f6428 100644
--- a/tests/test_inventory.py
+++ b/tests/test_inventory.py
@@ -63,13 +63,13 @@ def test_fuel_blend():
                 "share": [0.93, 0.93, 0.93, 0.93, 0.93, 0.93],
             },
             "secondary": {
-                "type": "biodiesel - cooking oil",
+                "type": "diesel - biodiesel - cooking oil",
                 "share": [0.07, 0.07, 0.07, 0.07, 0.07, 0.07],
             },
         },
-        "cng": {
+        "methane": {
             "primary": {
-                "type": "biogas - sewage sludge",
+                "type": "methane - biomethane - sewage sludge",
                 "share": [1, 1, 1, 1, 1, 1],
             }
         },
@@ -88,37 +88,36 @@ def test_fuel_blend():
         tm.fuel_blend["diesel"]["secondary"]["share"],
         [0.07, 0.07, 0.07, 0.07, 0.07, 0.07],
     )
-    assert np.allclose(tm.fuel_blend["cng"]["primary"]["share"], [1, 1, 1, 1, 1, 1])
-    # assert np.sum(ic.fuel_blends["cng"]["secondary"]["share"]) == 0
+    assert np.allclose(tm.fuel_blend["methane"]["primary"]["share"], [1, 1, 1, 1, 1, 1])
 
     ic.calculate_impacts()
 
     for fuels in [
-        ("diesel", "electrolysis", "cng"),
+        ("diesel", "hydrogen - electrolysis - PEM", "methane"),
         (
-            "biodiesel - palm oil",
-            "smr - natural gas",
-            "biogas - sewage sludge",
+            "diesel - biodiesel - palm oil",
+            "hydrogen - smr - natural gas",
+            "methane - biomethane - sewage sludge",
         ),
         (
-            "biodiesel - rapeseed oil",
-            "smr - natural gas with CCS",
-            "biogas - biowaste",
+            "diesel - biodiesel - rapeseed oil",
+            "hydrogen - smr - natural gas with CCS",
+            "methane - synthetic - coal",
         ),
         (
-            "biodiesel - cooking oil",
-            "wood gasification with EF with CCS",
-            "biogas - biowaste",
+            "diesel - biodiesel - cooking oil",
+            "hydrogen - wood gasification",
+            "methane - synthetic - biological",
         ),
         (
-            "biodiesel - algae",
-            "atr - biogas",
-            "biogas - biowaste",
+            "diesel - synthetic - FT - coal - economic allocation",
+            "hydrogen - atr - biogas",
+            "methane - synthetic - biological - MSWI",
         ),
         (
-            "synthetic diesel - energy allocation",
-            "wood gasification with EF with CCS",
-            "syngas",
+            "diesel - synthetic - methanol - cement - economic allocation",
+            "hydrogen - wood gasification with CCS",
+            "methane - synthetic - electrochemical - MSWI",
         ),
     ]:
         fb = {
@@ -126,7 +125,7 @@ def test_fuel_blend():
                 "primary": {"type": fuels[0], "share": [1, 1, 1, 1, 1, 1]},
             },
             "hydrogen": {"primary": {"type": fuels[1], "share": [1, 1, 1, 1, 1, 1]}},
-            "cng": {"primary": {"type": fuels[2], "share": [1, 1, 1, 1, 1, 1]}},
+            "methane": {"primary": {"type": fuels[2], "share": [1, 1, 1, 1, 1, 1]}},
         }
 
         tm = TruckModel(array, cycle="Long haul", country="CH", fuel_blend=fb)
@@ -163,12 +162,7 @@ def test_endpoint():
 
 def test_sulfur_concentration():
     ic = InventoryTruck(tm, method="recipe", indicator="endpoint")
-    ic.get_sulfur_content("RER", "diesel", 2000)
-    ic.get_sulfur_content("foo", "diesel", 2000)
-
-    with pytest.raises(ValueError) as wrapped_error:
-        ic.get_sulfur_content("FR", "diesel", "jku")
-    assert wrapped_error.type == ValueError
+    ic.get_sulfur_content("RER", "diesel")
 
 
 def test_custom_electricity_mix():