Someone should offer a NG car.
Should You Convert Your Car to Natural Gas?
https://www.popularmechanics.com/cars/how-to/a7487/should-you-convert-your-car-to-natural-gas/
Interesting article.
There are conversion kits in Europe starting at around $400 for four banger and up to a thousand for eight cylinder SUVs and commercial vehicles.
Fuel cost at pump is about half of regular gas but if you’d invest another $3000 into a compressor you’d fuel your vehicle from a household gas line.
In Russia it would down the fuel costs to run a Chevy Tahoe to about $3 per 100 miles.
Another positive side is how clean it burns. Motor oil is just like new after 7k miles.