diff --git a/fastsim-core/src/prelude.rs b/fastsim-core/src/prelude.rs
index ca4670f1..2728833f 100755
--- a/fastsim-core/src/prelude.rs
+++ b/fastsim-core/src/prelude.rs
@@ -8,6 +8,7 @@ pub use crate::utils::{Pyo3Vec2Wrapper, Pyo3Vec3Wrapper, Pyo3VecBoolWrapper, Pyo
 pub use crate::vehicle::cabin::{
     CabinOption, LumpedCabin, LumpedCabinState, LumpedCabinStateHistoryVec,
 };
+pub use crate::vehicle::hev::RESGreedyWithDynamicBuffers;
 pub use crate::vehicle::hvac::{
     HVACOption, HVACSystemForLumpedCabin, HVACSystemForLumpedCabinAndRES,
     HVACSystemForLumpedCabinAndRESState, HVACSystemForLumpedCabinAndRESStateHistoryVec,
diff --git a/fastsim-py/src/lib.rs b/fastsim-py/src/lib.rs
index 02ec7411..8545fd90 100644
--- a/fastsim-py/src/lib.rs
+++ b/fastsim-py/src/lib.rs
@@ -35,6 +35,7 @@ fn fastsim(_py: Python, m: &Bound<PyModule>) -> PyResult<()> {
     m.add_class::<ElectricMachine>()?;
     m.add_class::<ElectricMachineState>()?;
     m.add_class::<ElectricMachineStateHistoryVec>()?;
+    m.add_class::<RESGreedyWithDynamicBuffers>()?;
     m.add_class::<Cycle>()?;
     m.add_class::<CycleElement>()?;
     m.add_class::<Vehicle>()?;