Studies from Shanghai Jiao Tong University Have Provided New Data on Mechanical Engineering

摘要

2011 JUL 6 - (VerticalNews.com) -- According to the authors of recent researchrnfrom Shanghai, People's Republic of China, "The main issues relating to hybrid electric vehiclern(HEV) emissions are starting and transient air-fuel ratio (AFR) control. The idle-cancellingrnfunction of an HEV will postpone the catalyst activation at cold start."