Christopher Goodfellow - 10 April 2012
Porsche is launching its Cayenne Diesel in the U.S. with the 2013 model year, which meets Tier 2 BIN5 emissions standards using Selective Catalytic Reduction (SCR) technology and Diesel Exhaust Fluid (DEF). The Cayenne Diesel has been available in Europe since 2009, but had not previously been able to meet U.S. emissions standards....
