After
1.BLUETEC the noun
BLUETEC technology is based on an original-Benz diesel engine system solution that can reduce particulate emissions and reduce nitrogen oxides, and to achieve an efficient exhaust gas treatment , is an advanced exhaust after treatment technology, it is one of the world’s cleanest diesel engine technology. According to the US Environmental Protection department statistics, the use of BLUETEC diesel engine technology to reduce 98 percent of particulate emissions, can reduce harmful gas emissions by 80 percentage.
BLUETEC Benz is a modular concept, which coordinate the different technical solutions to achieve minimize harmful emissions of diesel engine, and achieve the efficient exhaust gas treatment. In its workflow, all hazardous substances gradually, continuing to be reduced. In the first stage, by internal adjustment measures to minimize engine emissions untreated, these measures include: improved electronic engine control system; lower the compression ratio; optimum turbocharger having a variable nozzle turbocharger ; use special piezo-injectors having a lower fuel flow rate; improved exhaust gas recirculation control, improved recirculation rate; ceramic glow plug, a low compression ratio to ensure that when a cold start at any time quickly. In the next stage, effective complement BLUETEC aftertreatment system of this engine specially configured internal engine improvements, including the ability to reduce carbon monoxide oxidation catalyst converter and emissions of unburned hydrocarbons. The third stage uses a measure diesel particulate filter applications without additives, it can reduce particulate emissions by 98 percent. This makes Mercedes – Benz diesel models easily reach the current Euro IV particulate limit values (0.025 g / km) and the future Euro V requirements particulate limits (0.005 g / km), but also in line with the current US standard. Fourth phase, to reduce the concentration of nitrogen oxides, at this stage, after application BLUETEC most effective current treatment of the exhaust gas – selective catalyticOf reduction (SCR) process: The method of embodiment patent ammonia generated by combining further development oxynitride storage-type catalytic converter and the SCR catalytic converter and a car, capable of reducing nitrogen oxides 80 percentage.
In October 2006, Mercedes – Benz plans to launch BLUETEC passenger car in the United States, launched the E320 BLUETEC sedan was the only application of this technology in the world, and thus become the only reached California and other states signed stringent emission standards of the manufacturer. At the same time Mercedes – Benz since 2008, in the United States formally listed launched three BLUETEC models, they are level GL320 CDI BLUETEC, ML320 CDI BLUETEC level and R320 CDI BLUETEC class car. Meanwhile BLUETEC technology also can be applied to commercial vehicles, Mercedes – Benz has delivered more than 60,000 vehicles use BLUETEC technology for trucks and buses.