US: Navistar files 2nd EPA lawsuit over SCR

Navistar filed another lawsuit seeking to block the Environmental Protection Agency (EPA)’s recently updated guidance for certification of heavy-duty truck engines using selective catalytic reduction (SCR) technology to reduce emissions. While all of Navistar’s rivals in the US use SCR in their engines, Navistar uses Exhaust Gas Recirculation (EGR), which Subscribe to Automotive World to … Continued

• By Webmaster
• July 21, 2011