1. to convert (an engine or vehicle) to run on diesel fuel instead of gasoline
Usage: transitive; chiefly technical or automotive
2. to equip or modify (a machine or system) to use diesel power or diesel technology
Usage: transitive; technical

Examples

• The fleet decided to dieselize their trucks to improve fuel efficiency.
• Many municipalities are considering plans to dieselize their public transportation systems.
• The mechanic was able to dieselize the old gasoline engine with some modifications.
• Older vehicles can sometimes be dieselized, though the process is expensive.
• The company dieselized its delivery vans to reduce operating costs.