IMPROVING THE PERFORMANCE OF A PASSENGER CAR WITH A SPARK IGNITION ENGINE USING LIQUEFIED PETROLEUM GAS WITH THE ADDITION OF DEMETHYL ETHER. ijasr [Internet]. 2022 Oct. 25 [cited 2024 Dec. 21];2(10):65-74. Available from: https://sciencebring.com/index.php/ijasr/article/view/108