Larry Dighera wrote:

On 15 Aug 2006 08:15:58 -0700, "Bret Ludwig"
wrote in om:

Natural gas is methane, which can be turned into methanol pretty
cost-effectively. Ethanol, despite its poorer power density and seals
compatibility issues, is far more benign and has more energy per gallon
than does methanol.


How does the energy density of LNG compare to ethanol?

LNG has about 73,000 BTU/US Gal., while ethanol has about 80,000. Gasoline
ranges between 110,000 and 125,000.

Keep in mind that the LNG is also accompanied by a very heavy tank, which
has payload implications.