Over a year ago, Cummins agreed to pay $1.675 billion after the EPA found its 6.7-liter diesel engine let too much nitrogen ...
You can get big bucks to fix Cummins' dirty diesel, but there are a few drawbacks ...
When it comes to the differences between the 6.7L Cummins and the 6.7L Power Stroke diesel engines, the former is more reliable while the latter is stronger.