Four-cylinder engines are usually associated with efficiency and compact packaging, yet a handful of engineers have stretched the format to astonishing sizes. The five engines below represent some of ...

The inline-6 engine layout has its fans in the gas world, but it's the de facto standard design among diesel aficionados. Hardly surprising, as these engines are less complex than any V layout and ...

According to the BBC, the U.S. market for diesel passenger cars "has been historically very small." This is because diesel engines are more expensive and known to produce higher nitrogen oxide ...