* Illinois / USA - Amid reports of switch to SCR, Navistar set to announce 'operational' changes
Warrenville,ILL,USA -Fleet Owner, by Brian Straight -Jul. 3, 2012: -- Navistar International will be ditching its advanced exhaust-gas recirculation (EGR) technology for meeting EPA 2010 emissions requirements. The announcement was made in a filing with the Securities and Exchange Commission (SEC) yesterday afternoon... The company announce it is switching its emissions technology to selective catalytic reduction (SCR) to meet EPA 2010. This report followed one from Friday afternoon that said the company is considering purchasing engines from Cummins, which uses SCR... Navistar submitted its 13L engine to EPA for 2010 approval at the 0.20 grams of NOx level earlier this year, but no formal announcement regarding the progress of that has been made... Over Friday, the Chicago Daily Herald reported on a report from OTR Global that said that Navistar may offer Cummins engines, possibly as early as 2013...
* Sweden - Volvo Trucks has its Euro 6 engines
Stockholm,Sweden -Truck and Business, by Claude Yvens -5 July 2012: -- Volvo Trucks has unveiled the outline of its program of Euro 6 engines. The first engine to undergo this treatment will be the D13 of 460 hp, and will be available from next spring. It is based on the current Euro 5 D13 which engineers at Volvo Trucks has added a particulate filter (DPF) system and an exhaust gas recirculation (EGR). The latter, however, a peculiarity: it is not used to cool the exhaust gas to lower the engine temperature and reduce NOx (nitrogen oxides), but to heat these gases exhaust when the engine is not hot enough to obtain an optimum temperature for the catalyst (250° C). The EGR should not operate when the vehicle reaches cruising speed and does not negatively impact the consumer at the time...Labels: engine makers
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