Cummins Begins Production of First EPA Tier 4 Interim Engines; Up to 5% Improved Fuel Efficiency
Green Car Congress
SEPTEMBER 22, 2010
EPA Tier 4 Interim and EU Stage IIIB emissions standards and effect dates vary by power category. has begun production and supply of the first EPA Tier 4 Interim and EU Stage IIIB certified engines and aftertreatment for early installation by off-highway equipment customers. Source: Cummins. Click to enlarge. Cummins Inc.
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