Turbocharged engines can be great at boosting performance and efficiency, but in life, as in economics, there's no such thing as a free lunch. In other words, benefits like those come with a cost, ...

Since 1989, RAM (earlier Dodge RAM) has been using engines made by Cummins on their popular pickup trucks. The journey, which started with the first generation 5.9-liter 160 hp turbo diesel, has ...

Whether or not twin-turbo engines require premium gas is a matter for each individual engine manufacturer to decide. Reviewing some carmakers' statements as to which grade of fuel they recommend for ...