“It’s crunch time for the implementation of final Tier 4 engine emission standards. Over time, understanding both what these standards are trying to achieve and whether or not they apply to a particular application has become complex.
This visual guide covers key emission levels for these engines, a timeline of the EPA’s emissions standards, and a flow chart to see if your equipment is affect.
For more information, clcik here on link:
Tier 4 infographic originally from the CK Power learning center.”