国六较之国五标准更严格，要求氮氧化合物与颗粒物排放量更低，且新增了粒子数量的限制要求，未达到国六排放标准，各大主机厂商也纷纷大展身手，要么降低发动机动力，要么升级尾气处理。 国六时代也涌现出了一波新名词，比如EGR、DOC、DPF、SCR，这都是 ...

Manufacturers are busy rolling out solutions to meet Final Tier 4 off-road requirements for diesel engine exhaust emissions, and the technologies look very familiar to those already in use in the ...

Engineered by John Deere to meet the needs of OEM customers, the PowerTech PSL 4.5L with variable speed ratings is equipped with an Integrated Emissions Control system consisting of cooled exhaust gas ...

LOUISVILLE. At the Mid-America Trucking Show yesterday, Volvo Trucks North America announced that its 2010 highway trucks equipped with SCR (selective catalytic reduction) emissions control systems ...