DETROIT – Volkswagen AG diesel-powered cars sold in the U.S. as of this May will achieve federal Tier II, bin 9 emissions levels, says VW executive engineer Helmut Endres. The new, lower emissions levels achieved by the 100-hp version of VW’s 1.9L TDI 4-cyl. turbodiesel will result from fuel-injection pressure increased from the current 27,500 psi (1,900 bar) to 29,700 psi (2,050 bar), reducing particulate emissions and, by use of cooled exhaust gas recirculation, cutting oxides of ...

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