In the current study, an effort is carried out to study influence of pentanol as low reactive fuel (LRF) along with diesel and Thevetia peruviana methyl ester (TPME) high fuels (HRF) in reactivity controlled compression ignition (RCCI) engine. The experiments are conducted on dual engine at 50% load for RCCI mode operation by varying percentage injected fuels. results revealed that 10% exhibite...