2 sizes were standard 14.8 or 20 gallon.
I believe it was 13 gallons it is a 15 gallon tank.
About 115K BTU per gallon.
No. 6 fuel oil has a combustion value of 151,300 - 155,900 Btu/US gallon.
1 Us Gallon is = 7.149 pounds
140,000 btu/gallon, nominal
30+ miles per gallon
it depends on the car
approx. 140,000
1.4
20 gallons
2
About 1/8th of a gallon. Motor oil weighs a bit less than 8 pounds to the gallon.