I think we found the real source of the Nashville KaBoom - it was sewer gas.
Cousin Eddie emptied the brown water in the wrong place...
https://www.youtube.com/watch?v=BeskbiJjCXI
On a more serious note (which is not always my strong point), I would remind that it doesn’t appear that the explosion originated with the RV - more likely underground caused by black/white/unknown hats for unknown purposes. But it definitely was NOT the RV that caused the Big Bang.

URGENT - Major nationwide power blackout in Mexico. A sudden drop of approximately 7,500 MW triggered a network protection shut down, according to @CENACEMexicoβ Disclose.tv π¨ (@disclosetv) December 28, 2020
LOL I watched Christmas Vacation on the day, black-and-white March of the Wooden Soldiers earlier in the day. No Die Hard though, unfortunately.