Improved combustion efficiency and
emissions performance due to a newly adopted two - stage turbocharger, ultra-high pressure common - rail system, highly efficient exhaust gas recirculation (EGR), and an exhaust pipe fuel injection system.
Not exact matches
All this is done
due to
emissions control and has nothing to do with improvement of engines and
performance.
Due to increasing
emissions regulations, combined with insurance spike for high
performance cars and NASCAR's effective ban on the aero cars, 1970 was its only production year.