You might find a smaller diesel engine in a lawnmower, but this is as small as it gets in a passenger vehicle.

But what type of diesel engine is the smallest, and what brands can you pick one up from? Known for their lightweight design and simple manufacturing process, single-cylinder engines have many ...

The Tempus, as it's called, mates an electric powertrain to Iveco's smallest diesel engine. It measures 9.5 meters long and 2.55 meters wide, perfect for old city centers. According to TMB ...