Help make Alexa smarter on Alexa Answers. Sign in with Amazon

Miscellaneous

What does d. e. f.?

1 Answer

d.e.f is Diesel exhaust fluid. It is sprayed into the exhaust stream of diesel vehicles to help break down dangerous Nitrous Oxide fumes into harmless nitrogen and water. This system is called selective catalytic reduction.

{{ relativeTimeResolver(1636990394419) }}

LIVE
Points points 779
Rating

Similar Questions
Miscellaneous 1 Answer
Miscellaneous 1 Answer
Miscellaneous 1 Answer
Join Alexa Answers

Help make Alexa smarter and share your knowledge with the world

LEARN MORE
Miscellaneous 1 Answer
Miscellaneous 1 Answer
Miscellaneous 1 Answer
Miscellaneous 1 Answer
Miscellaneous 1 Answer
Miscellaneous 1 Answer

Join Alexa Answers

Help make Alexa smarter and share your knowledge with the world

LEARN MORE