'Diesel fuel only' caution on Audi Q7 TDIEnlarge Photo
Every year, that site asks green-car advocates, diesel fans, and its readers to chose from its list of nominees.
That list (below) includes all 13 passenger vehicles fitted with diesel engines that are sold in the U.S. as 2012 models.
Last year, the winner was the 2011 BMW 335d, but that model isn't sold for 2012. So the field is wide open.
Vote for the Diesel Car of the YearEnlarge Photo
The list of nominees is split into passenger cars (seven of them):
and crossover or sport-utility vehicles (six more):
You can vote for any single vehicle among the 13 that have been nominated. Cast your vote by visiting TheDieselDriver's voting page.