The intriguing engine is the 350d; this 3.0 - litre turbocharged V6 clean - diesel (and it is clean, thanks to
its urea injection system) twists out 249 horsepower and, more importantly, 455 lb. - ft.
The Bluetec program includes more than just
the Urea injection system to reduce NOx.
Others use
a urea injection system, and almost all use a filter to trap particulates.
Not exact matches
DEF
injection systems where ammonium or
urea are injected into the
system as an fluid are absent
Of course,
urea injection also means adding diesel exhaust fluid to the
system every 10,000 miles.
Part of a renewed diesel push in North America, the Mercedes diesel engine was engineered with a
urea -
injection system that helps lower emissions to a level that sees the GLK250 Bluetec adhere to tough BIN5 standards — something that allows it to be sold in all 50 states.
Diesel Emissions Fluid (DEF) is a nicer way to refer to the Ram's
urea -
injection system, chosen because it sounds less like a bodily fluid.