diff --git a/packages/client/src/modules/persona/consumption/computing.ts b/packages/client/src/modules/persona/consumption/computing.ts
index 3000fe46..179c31f7 100644
--- a/packages/client/src/modules/persona/consumption/computing.ts
+++ b/packages/client/src/modules/persona/consumption/computing.ts
@@ -67,14 +67,13 @@ export const getFossilCarConsumption = (personalization: PersoForm) => {
   }
 
   return (
-    (((carDistanceAlone / DAYS_IN_YEAR +
+    ((carDistanceAlone / DAYS_IN_YEAR +
       carDistanceHoushold /
         (DAYS_IN_YEAR * ((numberAdults > 0 ? numberAdults : 1) + numberKids))) *
-      carConsumption) /
-      100 +
+      (carConsumption / 100) +
       (carDistanceCarsharing * transportCoeffs.MEAN_FOSSIL_CAR_CONSUMPTION) /
         DAYS_IN_YEAR) *
-    10
+    transportCoeffs.FOSSIL_CAR
   );
 };
 
diff --git a/packages/client/src/modules/persona/consumption/constants.ts b/packages/client/src/modules/persona/consumption/constants.ts
index 817295d7..83e11dc9 100644
--- a/packages/client/src/modules/persona/consumption/constants.ts
+++ b/packages/client/src/modules/persona/consumption/constants.ts
@@ -32,6 +32,7 @@ export const numericEquipment = {
 export const transportCoeffs = {
   ELECTRIC_CAR: 0.45,
   MEAN_FOSSIL_CAR_CONSUMPTION: 0.07,
+  FOSSIL_CAR: 10,
   TRAIN: 0.133,
   PLANE: 0.41,
 };
diff --git a/packages/client/src/modules/play/utils/consumption.spec.ts b/packages/client/src/modules/play/utils/consumption.spec.ts
index f0be81e8..340f6d3d 100644
--- a/packages/client/src/modules/play/utils/consumption.spec.ts
+++ b/packages/client/src/modules/play/utils/consumption.spec.ts
@@ -1,7 +1,19 @@
 import { ActionNames } from "../../../utils/types";
 import { ConsumptionDatum } from "../../persona/consumption";
-import { DAYS_IN_YEAR } from "../../persona/consumption/constants";
 import {
+  consumptionFood,
+  consumptionGrey,
+  consumptionGreyNumeric,
+  consumptionGreyOther,
+  consumptionGreyTransport,
+  DAYS_IN_YEAR,
+  numericEquipment,
+  transportCoeffs,
+} from "../../persona/consumption/constants";
+import { getCarAgeCoeff } from "../../persona/consumption/utils";
+import {
+  carAges,
+  carEnergies,
   formValues,
   PersoForm,
   Question,
@@ -34,6 +46,9 @@ const runTests = (tests: Test[]) => {
         ...defaultPersonalization,
         ...test.setup.personalization,
       };
+
+      const beforeData = computeNewConsumptionData([], personalization);
+
       const performedActions: ActionNames[] = test.setup.performedActions;
 
       const newData = computeNewConsumptionData(
@@ -45,8 +60,24 @@ const runTests = (tests: Test[]) => {
         expect(
           newData.filter((data) => data.type === type && data.name === name)[0]
             .value
-        ).toEqual(value);
+        ).toBeCloseTo(value, 10);
       });
+
+      expect(
+        beforeData.filter(
+          (b) =>
+            !test.expected.consumptionData.some(
+              ({ type, name, value }) => b.type === type && b.name === name
+            )
+        )
+      ).toEqual(
+        newData.filter(
+          (n) =>
+            !test.expected.consumptionData.some(
+              ({ type, name, value }) => n.type === type && n.name === name
+            )
+        )
+      );
     });
   });
 };
@@ -57,11 +88,520 @@ describe("consumtion", () => {
       {
         name: `should ${availableActions.REDUCE_PLANE_HALF}`,
         setup: {
-          personalization: { planeDistance: DAYS_IN_YEAR * 200 },
+          personalization: { planeDistance: DAYS_IN_YEAR * 2 * 100 },
+          performedActions: [availableActions.REDUCE_PLANE_HALF],
+        },
+        expected: {
+          consumptionData: [
+            {
+              type: "fossil",
+              name: "plane",
+              value: 100 * transportCoeffs.PLANE,
+            },
+          ],
+        },
+      },
+      {
+        name: `should ${availableActions.REDUCE_PLANE_HALF} if plane 0`,
+        setup: {
+          personalization: { planeDistance: 0 },
           performedActions: [availableActions.REDUCE_PLANE_HALF],
         },
         expected: {
-          consumptionData: [{ type: "fossil", name: "plane", value: 41 }],
+          consumptionData: [{ type: "fossil", name: "plane", value: 0 }],
+        },
+      },
+      {
+        name: `should ${availableActions.LOCAL_CONSUMPTION}`,
+        setup: {
+          personalization: { eatingLocal: false, clothingQuantity: true },
+          performedActions: [availableActions.LOCAL_CONSUMPTION],
+        },
+        expected: {
+          consumptionData: [
+            {
+              type: "grey",
+              name: "greyTransport",
+              value:
+                consumptionGreyTransport.GLOBAL *
+                (1 - consumptionGreyTransport.LOCAL_TRUE),
+            },
+            {
+              type: "grey",
+              name: "greyOther",
+              value:
+                consumptionGreyOther.OTHER_GLOBAL *
+                (1 - consumptionGreyOther.LOCAL_TRUE),
+            },
+          ],
+        },
+      },
+      {
+        name: `should ${availableActions.LOCAL_CONSUMPTION} - nothing happens`,
+        setup: {
+          personalization: { eatingLocal: true, clothingQuantity: true },
+          performedActions: [availableActions.LOCAL_CONSUMPTION],
+        },
+        expected: {
+          consumptionData: [],
+        },
+      },
+      {
+        name: `should ${availableActions.REDUCE_CLOTHING_HALF}`,
+        setup: {
+          personalization: { eatingLocal: false, clothingQuantity: true },
+          performedActions: [availableActions.REDUCE_CLOTHING_HALF],
+        },
+        expected: {
+          consumptionData: [
+            {
+              type: "grey",
+              name: "greyTransport",
+              value:
+                consumptionGreyTransport.GLOBAL *
+                (1 - consumptionGreyTransport.CLOTHING_FALSE),
+            },
+            {
+              type: "grey",
+              name: "greyOther",
+              value:
+                consumptionGreyOther.OTHER_GLOBAL *
+                (1 - consumptionGreyOther.CLOTHING_FALSE),
+            },
+          ],
+        },
+      },
+      {
+        name: `should ${availableActions.REDUCE_CLOTHING_HALF} - nothing happens`,
+        setup: {
+          personalization: { eatingLocal: false, clothingQuantity: false },
+          performedActions: [availableActions.REDUCE_CLOTHING_HALF],
+        },
+        expected: {
+          consumptionData: [],
+        },
+      },
+      {
+        name: `should ${availableActions.REDUCE_NUMERIC}`,
+        setup: {
+          personalization: { numericEquipment: true },
+          performedActions: [availableActions.REDUCE_NUMERIC],
+        },
+        expected: {
+          consumptionData: [
+            {
+              type: "renewable",
+              name: "brownGoods",
+              value: numericEquipment.NO,
+            },
+            {
+              type: "grey",
+              name: "greyNumeric",
+              value:
+                consumptionGreyNumeric.EQUIPMENT_GLOBAL *
+                  consumptionGreyNumeric.EQUIPMENT_FALSE *
+                  1.5 +
+                consumptionGreyNumeric.WEB_GLOBAL,
+            },
+          ],
+        },
+      },
+      {
+        name: `should ${availableActions.REDUCE_NUMERIC} - nothing happens`,
+        setup: {
+          personalization: { numericEquipment: false },
+          performedActions: [availableActions.REDUCE_NUMERIC],
+        },
+        expected: {
+          consumptionData: [],
+        },
+      },
+      {
+        name: `should ${availableActions.STOP_MILK}`,
+        setup: {
+          personalization: { eatingDairies: true, eatingZeroWaste: true },
+          performedActions: [availableActions.STOP_MILK],
+        },
+        expected: {
+          consumptionData: [
+            { type: "mixte", name: "food", value: consumptionFood.GLOBAL },
+          ],
+        },
+      },
+      {
+        name: `should ${availableActions.STOP_MILK} - nothing happens`,
+        setup: {
+          personalization: { eatingDairies: false, eatingZeroWaste: true },
+          performedActions: [availableActions.STOP_MILK],
+        },
+        expected: {
+          consumptionData: [],
+        },
+      },
+      {
+        name: `should ${availableActions.STOP_EGGS}`,
+        setup: {
+          personalization: { eatingEggs: true, eatingZeroWaste: true },
+          performedActions: [availableActions.STOP_EGGS],
+        },
+        expected: {
+          consumptionData: [
+            { type: "mixte", name: "food", value: consumptionFood.GLOBAL },
+          ],
+        },
+      },
+      {
+        name: `should ${availableActions.STOP_EGGS} - nothing happens`,
+        setup: {
+          personalization: { eatingEggs: false, eatingZeroWaste: true },
+          performedActions: [availableActions.STOP_EGGS],
+        },
+        expected: {
+          consumptionData: [],
+        },
+      },
+
+      {
+        name: `should ${availableActions.STOP_CANS}`,
+        setup: {
+          personalization: { eatingTinDrink: 12, eatingZeroWaste: true },
+          performedActions: [availableActions.STOP_CANS],
+        },
+        expected: {
+          consumptionData: [
+            { type: "mixte", name: "food", value: consumptionFood.GLOBAL },
+          ],
+        },
+      },
+      {
+        name: `should ${availableActions.STOP_CANS} - nothing happens`,
+        setup: {
+          personalization: { eatingTinDrink: 0, eatingZeroWaste: true },
+          performedActions: [availableActions.STOP_CANS],
+        },
+        expected: {
+          consumptionData: [],
+        },
+      },
+
+      {
+        name: `should ${availableActions.STOP_MEAT}`,
+        setup: {
+          personalization: { eatingMeat: true, eatingZeroWaste: true },
+          performedActions: [availableActions.STOP_MEAT],
+        },
+        expected: {
+          consumptionData: [
+            { type: "mixte", name: "food", value: consumptionFood.GLOBAL },
+          ],
+        },
+      },
+      {
+        name: `should ${availableActions.STOP_MEAT} - nothing happens`,
+        setup: {
+          personalization: { eatingMeat: false, eatingZeroWaste: true },
+          performedActions: [availableActions.STOP_MEAT],
+        },
+        expected: {
+          consumptionData: [],
+        },
+      },
+      {
+        name: `should ${availableActions.ZERO_WASTE}`,
+        setup: {
+          personalization: { eatingZeroWaste: false },
+          performedActions: [availableActions.ZERO_WASTE],
+        },
+        expected: {
+          consumptionData: [
+            { type: "mixte", name: "food", value: consumptionFood.GLOBAL },
+          ],
+        },
+      },
+      {
+        name: `should ${availableActions.ZERO_WASTE} - nothing happens`,
+        setup: {
+          personalization: { eatingZeroWaste: true },
+          performedActions: [availableActions.ZERO_WASTE],
+        },
+        expected: {
+          consumptionData: [],
+        },
+      },
+      {
+        name: `should ${availableActions.REDUCE_TRAIN_HALF}`,
+        setup: {
+          personalization: { trainDistance: DAYS_IN_YEAR * 2 * 100 },
+          performedActions: [availableActions.REDUCE_TRAIN_HALF],
+        },
+        expected: {
+          consumptionData: [
+            {
+              type: "renewable",
+              name: "train",
+              value: 100 * transportCoeffs.TRAIN,
+            },
+          ],
+        },
+      },
+      {
+        name: `should ${availableActions.REDUCE_TRAIN_HALF} - nothing happens`,
+        setup: {
+          personalization: { trainDistance: 0 },
+          performedActions: [availableActions.REDUCE_TRAIN_HALF],
+        },
+        expected: {
+          consumptionData: [],
+        },
+      },
+      {
+        name: `should ${availableActions.ECO_DRIVING}`,
+        setup: {
+          personalization: {
+            car: true,
+            carEnergy: carEnergies.ESSENCE,
+            numberAdults: 2,
+            numberKids: 0,
+            carConsumption: transportCoeffs.MEAN_FOSSIL_CAR_CONSUMPTION * 100,
+            carDistanceAlone: DAYS_IN_YEAR * 100,
+            carDistanceHoushold: DAYS_IN_YEAR * 200,
+            carDistanceCarsharing: 0,
+          },
+          performedActions: [availableActions.ECO_DRIVING],
+        },
+        expected: {
+          consumptionData: [
+            {
+              type: "fossil",
+              name: "fossilCar",
+              value:
+                transportCoeffs.MEAN_FOSSIL_CAR_CONSUMPTION *
+                transportCoeffs.FOSSIL_CAR *
+                100 *
+                2 *
+                0.9,
+            },
+          ],
+        },
+      },
+      {
+        name: `should ${availableActions.ECO_DRIVING} - when not car and just carsharing`,
+        setup: {
+          personalization: {
+            car: false,
+            carEnergy: carEnergies.ESSENCE,
+            numberAdults: 2,
+            numberKids: 0,
+            carConsumption: 10,
+            carDistanceAlone: DAYS_IN_YEAR * 100,
+            carDistanceHoushold: DAYS_IN_YEAR * 200,
+            carDistanceCarsharing: DAYS_IN_YEAR * 550,
+          },
+          performedActions: [availableActions.ECO_DRIVING],
+        },
+        expected: {
+          consumptionData: [
+            {
+              type: "fossil",
+              name: "fossilCar",
+              value:
+                transportCoeffs.MEAN_FOSSIL_CAR_CONSUMPTION *
+                transportCoeffs.FOSSIL_CAR *
+                550 *
+                0.9,
+            },
+          ],
+        },
+      },
+      {
+        name: `should ${availableActions.ECO_DRIVING} - nothing happens`,
+        setup: {
+          personalization: {
+            car: true,
+            carEnergy: carEnergies.ESSENCE,
+            numberAdults: 2,
+            numberKids: 0,
+            carConsumption: 7,
+            carDistanceAlone: 0,
+            carDistanceHouseHold: 0,
+          },
+          performedActions: [availableActions.ECO_DRIVING],
+        },
+        expected: {
+          consumptionData: [],
+        },
+      },
+      {
+        name: `should ${availableActions.REDUCE_CAR_20}`,
+        setup: {
+          personalization: {
+            car: true,
+            carEnergy: carEnergies.ESSENCE,
+            numberAdults: 2,
+            numberKids: 0,
+            carConsumption: transportCoeffs.MEAN_FOSSIL_CAR_CONSUMPTION * 100,
+            carDistanceAlone: DAYS_IN_YEAR * 100,
+            carDistanceHoushold: DAYS_IN_YEAR * 200,
+            carDistanceCarsharing: 0,
+          },
+          performedActions: [availableActions.REDUCE_CAR_20],
+        },
+        expected: {
+          consumptionData: [
+            {
+              type: "fossil",
+              name: "fossilCar",
+              value:
+                transportCoeffs.MEAN_FOSSIL_CAR_CONSUMPTION *
+                transportCoeffs.FOSSIL_CAR *
+                100 *
+                2 *
+                0.8,
+            },
+          ],
+        },
+      },
+      {
+        name: `should ${availableActions.REDUCE_CAR_20} - when not car and just carsharing`,
+        setup: {
+          personalization: {
+            car: false,
+            carEnergy: carEnergies.ESSENCE,
+            numberAdults: 2,
+            numberKids: 0,
+            carConsumption: 10,
+            carDistanceAlone: DAYS_IN_YEAR * 100,
+            carDistanceHoushold: DAYS_IN_YEAR * 200,
+            carDistanceCarsharing: DAYS_IN_YEAR * 550,
+          },
+          performedActions: [availableActions.REDUCE_CAR_20],
+        },
+        expected: {
+          consumptionData: [
+            {
+              type: "fossil",
+              name: "fossilCar",
+              value:
+                transportCoeffs.MEAN_FOSSIL_CAR_CONSUMPTION *
+                transportCoeffs.FOSSIL_CAR *
+                550 *
+                0.8,
+            },
+          ],
+        },
+      },
+      {
+        name: `should ${availableActions.REDUCE_CAR_20} - nothing happens`,
+        setup: {
+          personalization: {
+            car: true,
+            carEnergy: carEnergies.ESSENCE,
+            numberAdults: 2,
+            numberKids: 0,
+            carConsumption: 7,
+            carDistanceAlone: 0,
+            carDistanceHouseHold: 0,
+          },
+          performedActions: [availableActions.REDUCE_CAR_20],
+        },
+        expected: {
+          consumptionData: [],
+        },
+      },
+      {
+        name: `should ${availableActions.ELECTRIC_CAR}`,
+        setup: {
+          personalization: {
+            car: true,
+            carEnergy: carEnergies.ESSENCE,
+            numberAdults: 2,
+            numberKids: 0,
+            carConsumption: transportCoeffs.MEAN_FOSSIL_CAR_CONSUMPTION * 100,
+            carDistanceAlone: DAYS_IN_YEAR * 100,
+            carDistanceHoushold: DAYS_IN_YEAR * 200,
+            carDistanceCarsharing: 0,
+          },
+          performedActions: [availableActions.ELECTRIC_CAR],
+        },
+        expected: {
+          consumptionData: [
+            { type: "fossil", name: "fossilCar", value: 0 },
+            {
+              type: "renewable",
+              name: "electricCar",
+              value: transportCoeffs.ELECTRIC_CAR * 200,
+            },
+            { type: "grey", name: "greyCar", value: consumptionGrey.CAR * 1.2 },
+          ],
+        },
+      },
+      {
+        name: `should ${availableActions.ELECTRIC_CAR} - when not car and just carsharing`,
+        setup: {
+          personalization: {
+            car: false,
+            carEnergy: carEnergies.ESSENCE,
+            numberAdults: 2,
+            numberKids: 0,
+            carConsumption: 10,
+            carDistanceAlone: DAYS_IN_YEAR * 100,
+            carDistanceHoushold: DAYS_IN_YEAR * 200,
+            carDistanceCarsharing: DAYS_IN_YEAR * 550,
+          },
+          performedActions: [availableActions.ELECTRIC_CAR],
+        },
+        expected: {
+          consumptionData: [],
+        },
+      },
+      {
+        name: `should ${availableActions.ELECTRIC_CAR} - nothing happens`,
+        setup: {
+          personalization: {
+            car: true,
+            carEnergy: carEnergies.ELECTRICITE,
+            numberAdults: 2,
+            numberKids: 0,
+            carConsumption: 7,
+            carDistanceAlone: 0,
+            carDistanceHouseHold: 0,
+          },
+          performedActions: [availableActions.ELECTRIC_CAR],
+        },
+        expected: {
+          consumptionData: [],
+        },
+      },
+      {
+        name: `should ${availableActions.KEEP_CAR_15}`,
+        setup: {
+          personalization: {
+            carAge: carAges.MOINS_5,
+            car: true,
+            carEnergy: carEnergies.ESSENCE,
+          },
+          performedActions: [availableActions.KEEP_CAR_15],
+        },
+        expected: {
+          consumptionData: [
+            {
+              type: "grey",
+              name: "greyCar",
+              value: consumptionGrey.CAR * getCarAgeCoeff(carAges.PLUS_15),
+            },
+          ],
+        },
+      },
+      {
+        name: `should ${availableActions.KEEP_CAR_15} - nothing happens`,
+        setup: {
+          personalization: {
+            carAge: carAges.PLUS_15,
+          },
+          performedActions: [availableActions.KEEP_CAR_15],
+        },
+        expected: {
+          consumptionData: [],
         },
       },