Passenger Vehicle Diesel Engines for the U.S.

HSDI diesel engines have become increasingly popular in Europe over the last 20 years to the extent that market penetration now exceeds 40%. The situation is very different in the US where diesel accounts for only 4.5% of the light vehicle total at present. This paper provides a perspective on the technological, economic and societal issues associated with the large scale introduction of passenger vehicle diesels to the US.