[1] Anenberg S., Miller J., Henze D., et al., A global snapshot of the air pollution-related health impacts of transportation sector emissions in 2010 and 2015. The International Council on Clean Transportation, 2019.
[2] Deng F., Lv Z., Qi L., et al., A big data approach to improving the vehicle emission inventory in China. Nature Communications, 2020, 11: 2801.
[3] E J., Pham M., Zhao D., et al., Effect of different technologies on combustion and emissions of the diesel engine fueled with biodiesel: A review. Renewable and Sustainable Energy Reviews, 2017, 80: 620–647.
[4] Guo H., Wu M., Zhu Y., et al., Influence of acoustic energy on suppression of soot from acetylene diffusion flame. Combustion and Flame, 2021, 230: 111455.
[5] Fang C., Tunestal P., Yin L., et al., Study on low temperature heat release of partially premixed combustion in a heavy duty engine for real-time applications. Applied Thermal Engineering, 2019, 148: 219–228.
[6] Tao C., Dan Z., Lin J., et al., Removal and mechanism analysis of NOx emissions in carbon-free ammonia combustion systems with a secondary fuel injection. Fuel, 2023, 344: 128088.
[7] Anish M., Jayaprabakar J., Bency P., et al., Impact of reactivity controlled compression ignition (RCCI) mode engine operation in diesel engine powered with B20 blend of waste cooking oil biodiesel. Scientific Reports, 2023, 13: 4798.
[8] Karwade A., Thombre S., Implementation of thermal and fuel stratification strategies to extend the load limit of HCCI engine. Journal of Thermal Science and Technology, 2019, 14: JTST0020.
[9] Zhao B., Song X., Wang H., et al., Effects of biohydrogen on premixed charge compression ignition engine operating at various inlet air temperatures. Fuel, 2023, 332(1): 125907.
[10] Elbanna A.M., Cheng X., Yang C., et al., Investigative research of diesel/ethanol advanced combustion strategies: A comparison of premixed charge compression ignition (PCCI) and direct dual fuel stratification (DDFS). Fuel, 2023, 345(1): 128143.
[11] Dec J.E., Yang Y., Boosted HCCI for high power without engine knock and with ultra-low NOx emissions using conven-tional gasoline. SAE International Journal of Engines, 2010, 3: 750–767.
[12] Li Y., Jia M., Chang Y., et al., Towards a comprehensive understanding of the influence of fuel properties on the combustion characteristics of a RCCI (reactivity controlled compression ignition) engine. Energy, 2016, 99: 69–82.
[13] Kokjohn S., Hanson R., Splitter D., et al., Fuel reactivity controlled compression ignition (RCCI) combustion in light-and heavy-duty engines. SAE International Journal of Engines, 2011, 4: 360–374.
[14] Sun Y., Cai T., Zhao D., Thermal performance and NOx emission characteristics studies on a premixed methane-ammonia-fueled micro-planar combustor. Fuel, 2021, 291: 120190.
[15] Pfister K.F., Baader S., Baader M., et al., Biofuel by isomerizing metathesis of rapeseed oil esters with (bio)ethylene for use in contemporary diesel engines. Science Advances, 2017, 3(6): e1602624.
[16] Cordeiro de Melo T.C., Machado G.B., Belchior C.R.P., et al., Hydrous ethanol-gasoline blends-combustion and emission investigations on a flex-fuel engine. Fuel, 2012, 97: 796–804.
[17] Atelge M.R., Arslan E., Kahraman N., et al., Evaluation of hybrid nanoparticles to oxygenated fuel with ethanol and n-butanol on combustion behavior. Fuel, 2023, 344: 128048.
[18] Kalong M., Hongmanorom P., Ratchahat S., et al., Hydrogen-free hydrogenation of furfural to furfuryl alcohol and 2-methylfuran over Ni and Co-promoted Cu/γ-Al2O3 catalysts. Fuel Processing Technology, 2021, 214: 106721.
[19] Zhang Q., Chen G., Zheng Z., et al., Combustion and emissions of 2,5-dimethylfuran addition on a diesel engine with low temperature combustion. Fuel, 2013, 103: 730–735.
[20] Zheng Z., Wang X.F., Zhong X.F., et al., Experimental study on the combustion and emissions fueling biodiesel/n-butanol, biodiesel/ethanol and biodiesel/ 2,5-dimethylfuran on a diesel engine. Energy, 2016, 115: 539–549.
[21] Wang C., Xu H., Daniel R., et al., Combustion characteristics and emissions of 2-methylfuran compared to 2,5-dimethylfuran, gasoline and ethanol in a DISI engine. Fuel, 2013, 103: 200–211.
[22] Li S., Huang C., Liu J.P., et al., Development of a reduced n-heptane/toluene/tetrahydrofuran mechanism for du-al-fuel engine combustion prediction. Fuel, 2022, 326: 124914.
[23] Xiao H.L., Wang R., Zeng P.F., et al., Effects of pilot injection on combustion and emissions characteristics using 2-methylfuran/diesel blends in a diesel engine. Thermal Science, 2020, 24(1): 1–11.
[24] Xiao H.L., Yang X.L., Hou B.B., et al., Combustion performance and pollutant emissions analysis of a diesel engine fueled with biodiesel and its blend with 2-methylfuran. Fuel, 2019, 237: 1050–1056.
[25] Liu H., Olalere R., Wang C., et al., Combustion characteristics and engine performance of 2-methylfuran compared to gasoline and ethanol in a direct injection spark ignition engine. Fuel, 2021, 299: 120825.
[26] Wei H.Q., Feng D.Q., Shu G.Q., et al., Experimental investigation on the combustion and emissions characteristics of 2-methylfuran gasoline blend fuel in spark-ignition engine. Applied Energy, 2014, 132: 317–324.
[27] Hoang A.T., Pham V.V., 2-Methylfuran (MF) as a potential biofuel: A thorough review on the production pathway from biomass, combustion progress, and application in engines. Renewable and Sustainable Energy Reviews, 2021, 148: 111265.
[28] Alexandrino K., Comprehensive review of the impact of 2,5-Dimethylfuran and 2- Methylfuran on soot emissions: Experiments in diesel engines and at laboratory scale. Energy & Fuels, 2020, 34(6): 6598–6623.
[29] Lee C., Pang Y.X., Wu H., et al., The optical investigation of hydrogen enrichment effects on combustion and soot emission characteristics of CNG/diesel dual-fuel engine. Fuel, 2020, 280: 118639.
[30] Goyal H., Kook S., Ignition process of gasoline compression ignition (GCI) combustion in a small-bore optical engine. Fuel, 2019, 256: 115844.
[31] Wen M., Liu H., Cui Y., et al., Optical diagnostics of methanol active-thermal atmosphere combustion in compression ignition engine. Fuel, 2023, 332: 126036.
[32] Weng W., Aldén M., Li Z., Visible chemiluminescence of ammonia premixed flames and its application for flame diagnostics. Proceedings of the Combustion Institute, 2023, 39(4): 4327–4334.
[33] Oh H., Bae C., Effects of the injection timing on spray and combustion characteristics in a spray-guided DISI engine under lean-stratified operation. Fuel, 2013, 107: 225–235.
[34] Ming Z., Liu H., Cui Y., et al., Optical diagnosis study of fuel volatility on combustion characteristics of spray flame and wall-impinging flame. Fuel Processing Technology, 2023, 250: 107880.
[35] Wu H., Sun L., Shi Z., et al., Effect of wall parameters on impinging combustion and soot emission characteristics of heavy-duty diesel engine at low temperature. Chemosphere, 2022, 306: 135568.
[36] Lee C., Pang Y., Wu H., et al., The optical investigation of hydrogen enrichment effects on combustion and soot emission characteristics of CNG/diesel dual-fuel engine. Fuel, 2020, 280: 118639.
[37] Zhao H., Ladommatos N., Optical diagnostics for soot and temperature measurement in diesel engines. Progress in Energy and Combustion Science, 1998, 24: 221–255.
[38] Payri R., Gimeno J., Cardona S., Measurement of soot concentration in a prototype multi-hole diesel injector by high-speed color diffused back illumination technique. International Powertrains, Fuels & Lubricants Meeting, 2017.
[39] Jaasim M., Hernandez P.F., Vallinayagam R., et al., Computational study of stratified combustion in an optical diesel engine. WCX™ 17: SAE World Congress Experience, 2017.
[40] Li S., Huang C., Yang C., et al., A reduced reaction mechanism for Diesel/2-Methyltetrahydrofuran dual-fuel engine application. Energies, 2022, 15: 7677.
[41] Cheng C., Cordtz R.F., Pedersen T.D., et al., Investigation of combustion characteristics, physical and chemical ignition delay of methanol fuel in a heavy-duty turbo-charged compression ignition engine. Fuel, 2023, 348: 128536.
[42] Lee J., Lee S., Lee S., Experimental investigation on the performance and emissions characteristics of ethanol/diesel dual-fuel combustion. Fuel, 2018, 220: 72–79.
