Engine Development
Cummins announces latest X15 capable of meeting MY2027 EPA regulations
48V electric heater provides early SCR warm-up to improve NOx conversion
Cummins has announced the next generation X15 diesel engine, as part of its HELMTM 15L fuel agnostic platform, offering ratings up to 605 hp / 2,050 lb-ft and meeting the MY 2027 EPA/CARB Low NOx regulations.
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Recent Posts


EPA Proposes Two-Year Delay to Tier 4 Vehicle Emission Standards
May 28, 2026
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The U.S. EPA has proposed a two-year delay for the introduction of the previously announced Tier 4 emission standards for light- and medium-duty vehicles.

ACT Expo 2026 – Propane Technologies Gain Momentum
May 16, 2026
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Propane for buses, medium-duty and Class 7 trucks – and electrification? A range of exciting advances shown at the 2026 ACT Expo.
Tagged diesel, Heavy-duty, NOx, scr, Trucks