Answer
Mar 13, 2025 - 07:58 AM
Diesel exhaust fluid (DEF) consumption typically averages about 2-3% of diesel fuel usage. This means that for every 100 gallons of diesel fuel burned, about 2-3 gallons of DEF are used. In practical terms, a gallon of DEF can last anywhere from 300 to 500 miles, depending on the specific vehicle, driving conditions, and fuel efficiency.
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