Vehicles

In the U.S., per Diesel Forum, there are approximately forty different models of light- and medium-duty diesel powered vehicles. However, their overall share of the market is small–particularly among light-duty vehicles, where Otto-cycle vehicles tend to dominate. Medium-duty diesel tend to be much more prevalent (i.e. 2.5 and 3.5 ton pickups and commercial vans). Among heavy-duty Class 8 rigs, diesels tend to dominate.

Given the respective sales shares of Otto and diesel engines in the U.S., it is not surprising to see that diesel vehicles also account for a very small portion (i.e. 2%) of the country’s light-duty vehicle fleet. Among medium- and heavy-duty trucks, however di