Now might be the time to investigate gathering up as many lithium polymer batteries as you can and try building some simple electric vehicles. There should be unbroken solar panels around some place that you can charge from. Gather them up and build some charging stations in the safest arias you can. An electric vehicles batteries can also supply light at night and other basic electrical conveniences. Make it very simple. It might just be a three wheeled truck but it's something and under the circumstances that's a lot.