How the Newest Cummins X15 Engine Meets EPA 2027 Emissions Regs

Cummins released details of its 2027 X15 diesel engine, which it says meets EPA 2027 emissions requirements while improving fuel economy — and without adding weight or using more diesel exhaust fluid.

The new engine features a vastly simplified exhaust aftertreatment system with an innovative electric heating system. This new heated aftertreatment design allows for optimal aftertreatment efficiency without compromising engine performance, according to Cummins.

The new engine builds upon the Cummins HELM engine platform, introduced earlier this year.

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