Hydrogen engines achieve lean-burn efficiency through precision fuel control

Researchers have demonstrated that direct-injection hydrogen engines can operate at very lean fuel-air ratios by carefully controlling how the fuel mixture forms inside the cylinder. The finding could help automakers and energy companies overcome a key technical barrier to hydrogen combustion engines as a cleaner alternative to battery-electric vehicles.

Originaltitel: An Experimental Study on the Lean-Burn Characteristics of A Direct-Injection Hydrogen Engine Based on Mixture Formation Control