@article{zhu2026wam,
  title={WAM-Diff2: Hierarchical AR-to-Diffusion Distillation for Highly Efficient Autonomous Driving VLA},
  author={Zhu, Zhihao and Shang, Hanlin and Xu, Mingwang and Cai, Feipeng and He, Zhuolin and Li, Yaoyi and Han, Jianhua and Xu, Hang and Zhu, Siyu},
  journal={arXiv preprint arXiv:2608.01035},
  year={2026}
}