Diesel cars aren't as popular in the United States as they are elsewhere, but several major automakers have included options in their lineups.

The ad for this Continental is a bit confusing since the seller is actually offering it and a diesel Mark VII at the same time. Puzzlingly, the seller lists $4,500 as the price in the headline ...

A: Ron, there was a Lincoln Continental built in 1984 and 1985 that offered a BMW built 2.4-liter, turbocharged 149 cubic-inch inline-6 diesel engine as an option.