The Digest’s 2025 Multi-Slide Guide to Heavy-Duty H2 Combustion
by Jim Lane (Biofuels Digest) Sandia National Laboratories is advancing hydrogen internal combustion engines (H2ICE) for hard-to-electrify sectors, targeting 2024-2027 market entry. Key findings: increased swirl improves H2 mixing, yet cyclic variability remains. Crucially, hydrogen significantly delays hydrocarbon auto-ignition, providing new