Delaware diesel tax rate is 22.0¢ per gallon for 2026. Calculate your quarterly IFTA fuel tax liability for Delaware routes.
Delaware's diesel rate is 22.0¢/gal (2Q 2026). The state is small geographically but punches above its weight in freight — the Port of Wilmington is the largest fresh fruit and juice import terminal on the East Coast.
I-95 (Wilmington–Newark–Maryland border, Northeast Corridor), I-295 (Delaware Memorial Bridge bypass), US-13 (Dover–Milford, primary north-south), US-40 (Salem NJ bridge corridor)
Delaware has no sales tax.
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