Where tier 4 takes a back seat: EPA's new small engine and evaporative emissions rules push diesel regulations to the back burner for many turf equipment manufacturers

摘要

For some time, the upcoming Tier 4 diesel engine emissions standards, which are being phased in by horsepower over the next several years, have been the paramount issue for many - if not most - manufacturers of engine-powered equipment. Yet for the makers of commercial and consumer turf equipment, Tier 4 can wait. They have more immediate issues to deal with - specifically, the upcoming EPA Phase 3 emissions regulations for gasoline engines that begin to take effect next year.