Hierarchical surface energy alignment in bio-oil–infused ionic liquids for enhanced lubrication - Nur Aisya Affrina Mohamed Ariffin; Shin Ying Foong; Chiew Tin Lee; William Woei Fong Chong; Su Shiung Lam; Jo-Han Ng; Cheng Tung Chong; Arunkumar Thirugnanasambandam (Fuel, 2026)