It's even worse than that. Regeneration converts inert carbon trapped in the DPF into CO2, the very thing every tree hugger is complaining is causing global warming. In the process it uses extra fuel, which produces more CO2 and no benefit.
The Constitution needs to be re-read, not re-written!
If you can't handle Dr. Seuss, how will you handle real life?
Current oil burners: MB GLK250 BlueTEC, John Deere X758
New ride: MB GLS450 - most stately
Gone but not forgotten: '87 F350 7.3, '93 C2500 6.5, '95 K2500 6.5, '06 K2500HD 6.6, '90 MB 350SDL, Kubota 7510