So could it be done? Car's today last a lot longer on the outside (paint) than the inside (drivetrain.)
Could you put a lithium ion battery where the gas tank was?
Probably don't have the support structure to hold it in place?
But lets do some comparison here.
An 18 gallon gas tank would have how many cubic inches in it?
Cubic inches per gallon times 18.
=231*18=4158
If a lithium ion car battery weighs 400 pounds how many cubic inches is that?
.3087 ounces per cubic inch. (per bing search results at aqua-calc
So .3087*4158=ounce weight per the volume of a 18g gas tank=1283 ounces
1283/16=80 pounds of lithium could fit in that 18 gallon gas tank space and it needs to be 5 times that amount of space.
So you would need to put part of the battery in the trunk and perhaps part in the engine bay. And likely have three batteries connected to get you the "Distance" till "empty/out of charge...that is competitive?
Plus you would need different tires and wheels?
And likely you would have to stop, because the whole thing isn't engineered for it? Or not? A gas engine puts out a lot of power. But the electric car requires the structure of the "frame" to support the "power" in a different distribution?
But it sure is interesting.
For example, if consumers like a current design of a car model. The lady at the grocery store last night wished they still made Buick LaCrosses.....How quickly could a car company retrofit exterior designs and equip, ppe and e to get it going?
For some reason I think the big cos don't like to do that. Perhaps it has to do with finding less end problems with clean slate floors to dedicated vehicle platforms?
But I do believe that battery technology will continue to get more efficient per weight. And I really do wonder if there are technologies that absolutely exist today that would make batteries more efficient but perhaps someone holds a patent or someone doesn't want to honor the work of someone else.
I mean what a crux of a statement that fairly explains the whole mess.
"Someone doesn't want to honor the work of someone else."
And for all I know, I didn't get the above math correct. So don't rely on it. If you had a clown blowing bubbles in your face every time you attempted to get some work done you wouldn't get very far in life.
© 2025 Thomas Paul Murphy
PS.
Okay scratch yourself. That can't be right? A lot more lithium ion power can fit in that space? If you were to weigh a cordless drill battery and then calc the volume and then compared it to that number above. You would get more than 80 pounds per 18 gallon? I think so. But that is just a synthesis answer.
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And if Gasoline weighs 6 pounds per gallon that full gas tank in todays car would weigh 6*18=108 pounds. So the math is more closer to working. Add two or three batteries as described above? Decrease that passenger and load capacity to compensate for the added weight of batteries. And in the snowy ditch you go during the winter time? :)
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And it makes you wonder what if the mandate to electric cars really isn't push mandate because the car companies make more profit on electric cars?
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Do the Grizwoods really want to each lunch right square next to the McCoys while there cars are being charged at the electric station on a vacation trip?
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