Over the last twenty years, improved diesel fuel injection, computerized engine controls, sophisticated air filters and advanced engine air management has helped cut diesel emissions by more than 95%.
By 2014, all diesel engines under 750 horsepower will be required to meet new emissions standards.
Just how clean are newer diesel engines?
Today’s diesel trucks produce less emissions and pollution during a 700 mile trip than grilling four hamburgers.
Check out this infographic from Randall Reilly.
