this post was submitted on 05 Feb 2025
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Somehow, they always manage to have some source of power in those movies.
Zombie flicks are not exactly known for their strict adherence to realism. Residential power would likely be the first to go, if only to reserve generator capacity and fuel for military, medical, and government facilities, and rich assholes' mansions.
Maintaining the electric grid takes an incredible amount of work and the tight cooperation of all of its facilities. If one or several large generator were to shut down, it might cause a cascading collapse. Executing a black start is a massive challenge at the best of times, and probably impossible in a post-collapse society.
Additionally gasoline degrades after some time and would be mostly useless after 4-5 years without substantial additives and work to bring it back into shape.
I believe kerosine can last up to 10yrs
Not useless, but it can go bad much quicker. A few years ago I lost a rotary hoe because the engine had been damaged and the carburetor had gotten clogged. The fuel was less than a year old, but closer in color to cooking oil.
If gasoline sits in open air or a non-sealed container for a long time, its lighter fractions will eventually evaporate. The heavier fractions can cause blockages and misfires. It can still be used, but you have to dilute it with fresh gasoline. If it happens while inside an engine, the carburetor should be rinsed with fresh gasoline to remove clogs.