> have heard that LNG has a larger carbon footprint than coal
Where? Given we're talking about energy transport, any analysis will be sensitive to the assumptions made about the carbon intensity of said transport.
You also lose ~5% of the energy liquefying it (or more).
Note that their comparison appears to be LNG vs conventional natural gas. So burning gas produced in Pennsylvania in Germany vs burning it it Pennsylvania.
Where? Given we're talking about energy transport, any analysis will be sensitive to the assumptions made about the carbon intensity of said transport.