U. Hilger

Direct Induction Natural Gas (DING): A Diesel-Derived Combustion System for Low Emissions and High Fuel Economy

U. Hilger, B. Bartunek, B. Bartunek, 2000 .

Influence of the methanol fuel composition on performance and exhaust emissions of diesel-derived alcohol engines

G. W. Rogers, B. Bartunek, U. Hilger, 1988 .

Performance and Emission Characteristics of the Deutz Glow Plug Assisted Heavy-Duty Methanol Engine

Cornelis Havenith, Heinz Kuepper, Ulrich Hilger, 1987 .

Prototype Development Of A Methanol Engine For Heavy-Duty Application-Performance And Emissions

U. Hilger, B. Bartunek, E. Scheid, 1989 .