The name Minneapolis is attributed to Charles Hoag, the city's first schoolteacher, who combined mni, a Dakota Sioux word for water, and polis, the Greek word for city.
EGR valve on top of the inlet manifold of a Saab H engine in a 1987 Saab 90. In internal combustion engines, exhaust gas recirculation (EGR) is a nitrogen oxide (NOx) emissions reduction technique used in petrol/gasoline and diesel engines. EGR works by recirculating a portion of an engine's exhaust gas back to the engine cylinders.
Replacing Displacement: The 6.0l Power Stroke. Although the 7.3L was available as an option for the '03 model year, the 6.0L Power Stroke came on the scene as a modern, technologically advanced engine that, with the use of exhaust gas recirculation (EGR), met new emissions requirements that the 7.3L couldn't.