id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
hij-160	Namar, Mohammad Mostafa; Jahanian, Omid; Shafaghat, Rouzbeh; Nikzadfar, Kamyar	Engine Downsizing; Global Approach to Reduce Emissions: A World-Wide Review	2021	16	.pdf	application/pdf	9682	762	59	The most popular group of research is on downsized engine performance, and it is growing over time. Downsized engines are able to produce the same power as right-sized ones, employing supercharger, turbocharger, twin-charging, direct injection (DI), exhaust gas recirculation (EGR) or variable valve timing (VVT).	cache/hij-160.pdf	txt/hij-160.txt