Experimental Investigation of Performance and Emissions of a Stratified Charge CNG Direct Injection Engine with TurbochargerHilmi Amiruddin, Wan Mohd Faizal Wan Mahmood, Shahrir Abdullah, Mohd Radzi Mansor and Mohd Fadzli AbdollahMATEC Web Conf., 124 (2017) 07004DOI: https://doi.org/10.1051/matecconf/201712407004