diff --git a/crates/blockifier/src/execution/call_info.rs b/crates/blockifier/src/execution/call_info.rs
index e38eb29235..42398e82fe 100644
--- a/crates/blockifier/src/execution/call_info.rs
+++ b/crates/blockifier/src/execution/call_info.rs
@@ -5,6 +5,7 @@ use std::ops::Add;
 use cairo_vm::vm::runners::cairo_runner::ExecutionResources;
 use serde::Serialize;
 use starknet_api::core::{ClassHash, EthAddress};
+use starknet_api::execution_resources::GasAmount;
 use starknet_api::state::StorageKey;
 use starknet_api::transaction::{EventContent, L2ToL1Payload};
 use starknet_types_core::felt::Felt;
@@ -95,6 +96,22 @@ impl Sum for ExecutionSummary {
     }
 }
 
+/// L2 resources counted for fee charge.
+/// When all execution will be using gas (no VM mode), this should be removed, and the gas_consumed
+/// field should be used for fee collection.
+#[cfg_attr(feature = "transaction_serde", derive(serde::Deserialize))]
+#[derive(Clone, Debug, Default, Serialize, Eq, PartialEq)]
+pub struct ChargedResources {
+    pub vm_resources: ExecutionResources, // Counted in CairoSteps mode calls.
+    pub gas_for_fee: GasAmount,           // Counted in SierraGas mode calls.
+}
+
+impl ChargedResources {
+    pub fn from_execution_resources(resources: ExecutionResources) -> Self {
+        Self { vm_resources: resources, ..Default::default() }
+    }
+}
+
 /// Represents the full effects of executing an entry point, including the inner calls it invoked.
 #[cfg_attr(any(test, feature = "testing"), derive(Clone))]
 #[cfg_attr(feature = "transaction_serde", derive(serde::Deserialize))]
@@ -102,9 +119,9 @@ impl Sum for ExecutionSummary {
 pub struct CallInfo {
     pub call: CallEntryPoint,
     pub execution: CallExecution,
-    pub resources: ExecutionResources,
     pub inner_calls: Vec<CallInfo>,
     pub tracked_resource: TrackedResource,
+    pub charged_resources: ChargedResources,
 
     // Additional information gathered during execution.
     pub storage_read_values: Vec<Felt>,
diff --git a/crates/blockifier/src/execution/deprecated_entry_point_execution.rs b/crates/blockifier/src/execution/deprecated_entry_point_execution.rs
index 63aeeef433..becee618c7 100644
--- a/crates/blockifier/src/execution/deprecated_entry_point_execution.rs
+++ b/crates/blockifier/src/execution/deprecated_entry_point_execution.rs
@@ -12,7 +12,7 @@ use starknet_api::hash::StarkHash;
 use super::execution_utils::SEGMENT_ARENA_BUILTIN_SIZE;
 use crate::abi::abi_utils::selector_from_name;
 use crate::abi::constants::{CONSTRUCTOR_ENTRY_POINT_NAME, DEFAULT_ENTRY_POINT_SELECTOR};
-use crate::execution::call_info::{CallExecution, CallInfo};
+use crate::execution::call_info::{CallExecution, CallInfo, ChargedResources};
 use crate::execution::contract_class::{ContractClassV0, TrackedResource};
 use crate::execution::deprecated_syscalls::hint_processor::DeprecatedSyscallHintProcessor;
 use crate::execution::entry_point::{
@@ -278,9 +278,11 @@ pub fn finalize_execution(
             failed: false,
             gas_consumed: 0,
         },
-        resources: full_call_resources.filter_unused_builtins(),
         inner_calls: syscall_handler.inner_calls,
         tracked_resource: TrackedResource::CairoSteps,
+        charged_resources: ChargedResources::from_execution_resources(
+            full_call_resources.filter_unused_builtins(),
+        ),
         storage_read_values: syscall_handler.read_values,
         accessed_storage_keys: syscall_handler.accessed_keys,
     })
diff --git a/crates/blockifier/src/execution/deprecated_syscalls/deprecated_syscalls_test.rs b/crates/blockifier/src/execution/deprecated_syscalls/deprecated_syscalls_test.rs
index bc74cc201c..680ba36b94 100644
--- a/crates/blockifier/src/execution/deprecated_syscalls/deprecated_syscalls_test.rs
+++ b/crates/blockifier/src/execution/deprecated_syscalls/deprecated_syscalls_test.rs
@@ -24,7 +24,7 @@ use test_case::test_case;
 
 use crate::abi::abi_utils::selector_from_name;
 use crate::context::ChainInfo;
-use crate::execution::call_info::{CallExecution, CallInfo, OrderedEvent};
+use crate::execution::call_info::{CallExecution, CallInfo, ChargedResources, OrderedEvent};
 use crate::execution::common_hints::ExecutionMode;
 use crate::execution::deprecated_syscalls::DeprecatedSyscallSelector;
 use crate::execution::entry_point::{CallEntryPoint, CallType};
@@ -157,7 +157,9 @@ fn test_nested_library_call() {
     let nested_storage_call_info = CallInfo {
         call: nested_storage_entry_point,
         execution: CallExecution::from_retdata(retdata![felt!(value + 1)]),
-        resources: storage_entry_point_resources.clone(),
+        charged_resources: ChargedResources::from_execution_resources(
+            storage_entry_point_resources.clone(),
+        ),
         storage_read_values: vec![felt!(value + 1)],
         accessed_storage_keys: HashSet::from([storage_key!(key + 1)]),
         ..Default::default()
@@ -172,14 +174,18 @@ fn test_nested_library_call() {
     let library_call_info = CallInfo {
         call: library_entry_point,
         execution: CallExecution::from_retdata(retdata![felt!(value + 1)]),
-        resources: library_call_resources.clone(),
+        charged_resources: ChargedResources::from_execution_resources(
+            library_call_resources.clone(),
+        ),
         inner_calls: vec![nested_storage_call_info],
         ..Default::default()
     };
     let storage_call_info = CallInfo {
         call: storage_entry_point,
         execution: CallExecution::from_retdata(retdata![felt!(value)]),
-        resources: storage_entry_point_resources.clone(),
+        charged_resources: ChargedResources::from_execution_resources(
+            storage_entry_point_resources.clone(),
+        ),
         storage_read_values: vec![felt!(value)],
         accessed_storage_keys: HashSet::from([storage_key!(key)]),
         ..Default::default()
@@ -196,7 +202,7 @@ fn test_nested_library_call() {
     let expected_call_info = CallInfo {
         call: main_entry_point.clone(),
         execution: CallExecution::from_retdata(retdata![felt!(0_u8)]),
-        resources: main_call_resources,
+        charged_resources: ChargedResources::from_execution_resources(main_call_resources),
         inner_calls: vec![library_call_info, storage_call_info],
         ..Default::default()
     };
@@ -241,11 +247,11 @@ fn test_call_contract() {
             ..trivial_external_entry_point
         },
         execution: expected_execution.clone(),
-        resources: ExecutionResources {
+        charged_resources: ChargedResources::from_execution_resources(ExecutionResources {
             n_steps: 222,
             n_memory_holes: 0,
             builtin_instance_counter: HashMap::from([(BuiltinName::range_check, 2)]),
-        },
+        }),
         storage_read_values: vec![value],
         accessed_storage_keys: HashSet::from([storage_key!(key_int)]),
         ..Default::default()
@@ -259,12 +265,14 @@ fn test_call_contract() {
             ..trivial_external_entry_point
         },
         execution: expected_execution,
-        resources: &get_syscall_resources(DeprecatedSyscallSelector::CallContract)
-            + &ExecutionResources {
-                n_steps: 261,
-                n_memory_holes: 0,
-                builtin_instance_counter: HashMap::from([(BuiltinName::range_check, 3)]),
-            },
+        charged_resources: ChargedResources::from_execution_resources(
+            &get_syscall_resources(DeprecatedSyscallSelector::CallContract)
+                + &ExecutionResources {
+                    n_steps: 261,
+                    n_memory_holes: 0,
+                    builtin_instance_counter: HashMap::from([(BuiltinName::range_check, 3)]),
+                },
+        ),
         ..Default::default()
     };
 
diff --git a/crates/blockifier/src/execution/entry_point.rs b/crates/blockifier/src/execution/entry_point.rs
index e251e15bff..9bf38ebefa 100644
--- a/crates/blockifier/src/execution/entry_point.rs
+++ b/crates/blockifier/src/execution/entry_point.rs
@@ -360,7 +360,7 @@ impl EntryPointExecutionContext {
     }
 
     /// From the total amount of steps available for execution, deduct the steps consumed during
-    /// validation and the overhead steps required for fee transfer.
+    /// validation and the overhead steps required, among the rest, for fee transfer.
     /// Returns the remaining steps (after the subtraction).
     pub fn subtract_validation_and_overhead_steps(
         &mut self,
@@ -370,7 +370,7 @@ impl EntryPointExecutionContext {
     ) -> usize {
         let validate_steps = validate_call_info
             .as_ref()
-            .map(|call_info| call_info.resources.n_steps)
+            .map(|call_info| call_info.charged_resources.vm_resources.n_steps)
             .unwrap_or_default();
 
         let overhead_steps =
diff --git a/crates/blockifier/src/execution/entry_point_execution.rs b/crates/blockifier/src/execution/entry_point_execution.rs
index ada0e48d0f..c2a3404957 100644
--- a/crates/blockifier/src/execution/entry_point_execution.rs
+++ b/crates/blockifier/src/execution/entry_point_execution.rs
@@ -10,9 +10,10 @@ use cairo_vm::vm::runners::builtin_runner::BuiltinRunner;
 use cairo_vm::vm::runners::cairo_runner::{CairoArg, CairoRunner, ExecutionResources};
 use cairo_vm::vm::security::verify_secure_runner;
 use num_traits::{ToPrimitive, Zero};
+use starknet_api::execution_resources::GasAmount;
 use starknet_types_core::felt::Felt;
 
-use crate::execution::call_info::{CallExecution, CallInfo, Retdata};
+use crate::execution::call_info::{CallExecution, CallInfo, ChargedResources, Retdata};
 use crate::execution::contract_class::{ContractClassV1, EntryPointV1, TrackedResource};
 use crate::execution::entry_point::{
     CallEntryPoint,
@@ -408,6 +409,11 @@ pub fn finalize_execution(
     syscall_handler.finalize();
 
     let full_call_resources = &*syscall_handler.resources - &previous_resources;
+    let charged_resources = ChargedResources {
+        vm_resources: full_call_resources.filter_unused_builtins(),
+        // TODO(tzahi): Replace with a computed value.
+        gas_for_fee: GasAmount(0),
+    };
     Ok(CallInfo {
         call: syscall_handler.call,
         execution: CallExecution {
@@ -417,9 +423,9 @@ pub fn finalize_execution(
             failed: call_result.failed,
             gas_consumed: call_result.gas_consumed,
         },
-        resources: full_call_resources.filter_unused_builtins(),
         inner_calls: syscall_handler.inner_calls,
         tracked_resource,
+        charged_resources,
         storage_read_values: syscall_handler.read_values,
         accessed_storage_keys: syscall_handler.accessed_keys,
     })
diff --git a/crates/blockifier/src/execution/entry_point_test.rs b/crates/blockifier/src/execution/entry_point_test.rs
index 2bac50eb35..4309796136 100644
--- a/crates/blockifier/src/execution/entry_point_test.rs
+++ b/crates/blockifier/src/execution/entry_point_test.rs
@@ -525,8 +525,12 @@ fn test_cairo1_entry_point_segment_arena() {
     };
 
     assert_eq!(
-        entry_point_call.execute_directly(&mut state).unwrap().resources.builtin_instance_counter
-            [&BuiltinName::segment_arena],
+        entry_point_call
+            .execute_directly(&mut state)
+            .unwrap()
+            .charged_resources
+            .vm_resources
+            .builtin_instance_counter[&BuiltinName::segment_arena],
         // Note: the number of segment_arena instances should not depend on the compiler or VM
         // version. Do not manually fix this then when upgrading them - it might be a bug.
         2
diff --git a/crates/blockifier/src/execution/native/entry_point_execution.rs b/crates/blockifier/src/execution/native/entry_point_execution.rs
index b16cda293a..84f4c3b4d4 100644
--- a/crates/blockifier/src/execution/native/entry_point_execution.rs
+++ b/crates/blockifier/src/execution/native/entry_point_execution.rs
@@ -1,8 +1,9 @@
 use cairo_native::execution_result::ContractExecutionResult;
 use cairo_vm::vm::runners::cairo_runner::ExecutionResources;
 use num_traits::ToPrimitive;
+use starknet_api::execution_resources::GasAmount;
 
-use crate::execution::call_info::{CallExecution, CallInfo, Retdata};
+use crate::execution::call_info::{CallExecution, CallInfo, ChargedResources, Retdata};
 use crate::execution::contract_class::TrackedResource;
 use crate::execution::entry_point::{
     CallEntryPoint,
@@ -72,7 +73,10 @@ fn create_callinfo(
         },
         // todo(rodrigo): execution resources rely heavily on how the VM work, therefore
         // the dummy values
-        resources: ExecutionResources::default(),
+        charged_resources: ChargedResources {
+            vm_resources: ExecutionResources::default(),
+            gas_for_fee: GasAmount(gas_consumed),
+        },
         inner_calls: syscall_handler.inner_calls,
         storage_read_values: syscall_handler.read_values,
         accessed_storage_keys: syscall_handler.accessed_keys,
diff --git a/crates/blockifier/src/execution/syscalls/syscall_tests/library_call.rs b/crates/blockifier/src/execution/syscalls/syscall_tests/library_call.rs
index 1d41a94838..487bcb0e19 100644
--- a/crates/blockifier/src/execution/syscalls/syscall_tests/library_call.rs
+++ b/crates/blockifier/src/execution/syscalls/syscall_tests/library_call.rs
@@ -9,7 +9,7 @@ use test_case::test_case;
 
 use crate::abi::abi_utils::selector_from_name;
 use crate::context::ChainInfo;
-use crate::execution::call_info::{CallExecution, CallInfo};
+use crate::execution::call_info::{CallExecution, CallInfo, ChargedResources};
 use crate::execution::entry_point::{CallEntryPoint, CallType};
 use crate::execution::syscalls::syscall_tests::constants::{
     REQUIRED_GAS_LIBRARY_CALL_TEST,
@@ -158,7 +158,9 @@ fn test_nested_library_call(test_contract: FeatureContract, expected_gas: u64) {
             gas_consumed: REQUIRED_GAS_STORAGE_READ_WRITE_TEST,
             ..CallExecution::default()
         },
-        resources: storage_entry_point_resources.clone(),
+        charged_resources: ChargedResources::from_execution_resources(
+            storage_entry_point_resources.clone(),
+        ),
         tracked_resource,
         storage_read_values: vec![felt!(value + 1)],
         accessed_storage_keys: HashSet::from([storage_key!(key + 1)]),
@@ -179,7 +181,7 @@ fn test_nested_library_call(test_contract: FeatureContract, expected_gas: u64) {
             gas_consumed: REQUIRED_GAS_LIBRARY_CALL_TEST,
             ..CallExecution::default()
         },
-        resources: library_call_resources,
+        charged_resources: ChargedResources::from_execution_resources(library_call_resources),
         inner_calls: vec![nested_storage_call_info],
         tracked_resource,
         ..Default::default()
@@ -192,7 +194,9 @@ fn test_nested_library_call(test_contract: FeatureContract, expected_gas: u64) {
             gas_consumed: REQUIRED_GAS_STORAGE_READ_WRITE_TEST,
             ..CallExecution::default()
         },
-        resources: storage_entry_point_resources,
+        charged_resources: ChargedResources::from_execution_resources(
+            storage_entry_point_resources,
+        ),
         storage_read_values: vec![felt!(value)],
         accessed_storage_keys: HashSet::from([storage_key!(key)]),
         tracked_resource,
@@ -212,7 +216,7 @@ fn test_nested_library_call(test_contract: FeatureContract, expected_gas: u64) {
             gas_consumed: expected_gas,
             ..CallExecution::default()
         },
-        resources: main_call_resources,
+        charged_resources: ChargedResources::from_execution_resources(main_call_resources),
         inner_calls: vec![library_call_info, storage_call_info],
         tracked_resource,
         ..Default::default()
diff --git a/crates/blockifier/src/test_utils/prices.rs b/crates/blockifier/src/test_utils/prices.rs
index 53686869fb..6ef4fee5f0 100644
--- a/crates/blockifier/src/test_utils/prices.rs
+++ b/crates/blockifier/src/test_utils/prices.rs
@@ -79,5 +79,6 @@ fn fee_transfer_resources(
             &mut remaining_gas,
         )
         .unwrap()
-        .resources
+        .charged_resources
+        .vm_resources
 }
diff --git a/crates/blockifier/src/transaction/transactions_test.rs b/crates/blockifier/src/transaction/transactions_test.rs
index 6de3e13f2a..95be2358e0 100644
--- a/crates/blockifier/src/transaction/transactions_test.rs
+++ b/crates/blockifier/src/transaction/transactions_test.rs
@@ -56,6 +56,7 @@ use crate::context::{BlockContext, ChainInfo, FeeTokenAddresses, TransactionCont
 use crate::execution::call_info::{
     CallExecution,
     CallInfo,
+    ChargedResources,
     ExecutionSummary,
     MessageToL1,
     OrderedEvent,
@@ -237,7 +238,7 @@ fn expected_validate_call_info(
             initial_gas,
         },
         // The account contract we use for testing has trivial `validate` functions.
-        resources,
+        charged_resources: ChargedResources::from_execution_resources(resources),
         execution: CallExecution { retdata, gas_consumed, ..Default::default() },
         tracked_resource,
         ..Default::default()
@@ -305,7 +306,9 @@ fn expected_fee_transfer_call_info(
             events: vec![expected_fee_transfer_event],
             ..Default::default()
         },
-        resources: Prices::FeeTransfer(account_address, *fee_type).into(),
+        charged_resources: ChargedResources::from_execution_resources(
+            Prices::FeeTransfer(account_address, *fee_type).into(),
+        ),
         // We read sender and recipient balance - Uint256(BALANCE, 0) then Uint256(0, 0).
         storage_read_values: vec![felt!(BALANCE.0), felt!(0_u8), felt!(0_u8), felt!(0_u8)],
         accessed_storage_keys: HashSet::from_iter(vec![
@@ -328,7 +331,7 @@ fn get_expected_cairo_resources(
         versioned_constants.get_additional_os_tx_resources(tx_type, starknet_resources, false);
     for call_info in call_infos {
         if let Some(call_info) = &call_info {
-            expected_cairo_resources += &call_info.resources
+            expected_cairo_resources += &call_info.charged_resources.vm_resources
         };
     }
 
@@ -513,11 +516,15 @@ fn test_invoke_tx(
             gas_consumed: expected_arguments.execute_gas_consumed,
             ..Default::default()
         },
-        resources: expected_arguments.resources,
+        charged_resources: ChargedResources::from_execution_resources(expected_arguments.resources),
         inner_calls: vec![CallInfo {
             call: expected_return_result_call,
             execution: CallExecution::from_retdata(expected_return_result_retdata),
-            resources: ExecutionResources { n_steps: 23, n_memory_holes: 0, ..Default::default() },
+            charged_resources: ChargedResources::from_execution_resources(ExecutionResources {
+                n_steps: 23,
+                n_memory_holes: 0,
+                ..Default::default()
+            }),
             ..Default::default()
         }],
         tracked_resource,
@@ -2246,11 +2253,11 @@ fn test_l1_handler(#[values(false, true)] use_kzg_da: bool) {
             gas_consumed: 6820,
             ..Default::default()
         },
-        resources: ExecutionResources {
+        charged_resources: ChargedResources::from_execution_resources(ExecutionResources {
             n_steps: 158,
             n_memory_holes: 0,
             builtin_instance_counter: HashMap::from([(BuiltinName::range_check, 6)]),
-        },
+        }),
         accessed_storage_keys: HashSet::from_iter(vec![accessed_storage_key]),
         tracked_resource: test_contract
             .get_runnable_class()
diff --git a/crates/papyrus_execution/src/objects.rs b/crates/papyrus_execution/src/objects.rs
index 2e095b8cbd..01c08e84ff 100644
--- a/crates/papyrus_execution/src/objects.rs
+++ b/crates/papyrus_execution/src/objects.rs
@@ -348,7 +348,7 @@ impl TryFrom<(CallInfo, GasVector)> for FunctionInvocation {
                 })
                 .collect(),
             execution_resources: vm_resources_to_execution_resources(
-                call_info.resources,
+                call_info.charged_resources.vm_resources,
                 gas_vector,
             )?,
         })