I work with a gentleman with family in Peru. In Peru it costs $300 to convert a car so it will run on both gasoline and Compressed Natural Gas (CNG). It costs $6,000 to do the same thing here.
Our government has effectively halted all new drilling for oil here in the U.S., forcing us to purchase ever more oil from people who want to kill us. The fact that we are forced to use a single type of fuel has effectively prevented any real competition and artificially drives demand up.
The U.S. has ample supplies of natural gas (200-plus …