In the absence of adequate records or other evidence satisfactory to the Department of Transportation showing the number of miles operated by a motor carrier’s motor vehicles per gallon of motor fuel, any such motor vehicle shall be deemed to have consumed 1 gallon of motor fuel for each 5 miles operated.
30 Del. C. 1953, § 5209; 57 Del. Laws, c. 496, § 1; 58 Del. Laws, c. 467, § 2; 59 Del. Laws, c. 216, § 4; 68 Del. Laws, c. 290, § 184.