Most North American heavy-duty diesel engine manufacturers rolled out substantially revamped engines to meet the U.S. Environmental Protection Agency’s (EPA’s) 2017 Greenhouse Gas emissions regulations. Those rules were the final step for diesel engines in Phase 1 of the grand carbon dioxide reduction plan. Engine makers now have a few years to figure how to meet the next – and even more restrictive – round of fuel-efficiency improvements, which come into force for Model Year 2021 engines.
ALLENTOWN, PA – Mack Trucks feels like it’s in a solid position to start down the road towards the emissions realities of the U.S. government’s latest greenhouse gas reduction targets for heavy trucks.
It may even be a benefit, at least to the customer.
The new 13-liter MP8 505C+ offers 505 hp and 1860 lb ft of torque, available in Pinnacle axle-forward and axle-back models for long-haul work
Mack adds power, fuel efficiency with new MP8 Econodyne+ engine