Home LNG to electricity plants will never be as cheap to produce electricity out of as what a dedicated LNG powerplant can provide. Even with all the transmission losses. And not because the home plants are that much less efficient as much as the return on investment for buying the gear in the first place.
It is about as bad as getting your money back for buying a flimsy Prius compared to getting a comfortable saloon that does 30 Mpg for half the price. The fuel saving per tank will break you even in 20-30 yrs by which time we will be using 100cc cars that produce 400hp (jokes)
And to be constructive in the argument, why not subsidise people that buy full blown solar arrays for their houses. At lease we'll know that when the the gas runs dry we won't be left powerless. A community of linked arrays can be self sufficient to run important appliances like fridges and xbox360s 8)

The electricity is a by product. Heating the home is its main business and as such you only have to look if the produced electricity covers the cost difference with a regular gas heater

Things are going smoothly so far, as the chefs dance around each other in the unfamiliar kitchen and try to figure out what the hell they’ re making. Fleasa lightly complains that her back is on fire and she means it literally— as Antonia has the door of the wood- burning stove open to allow it to breathe and get hotter. Antonia somewhat reluctantly closes the door a bit, saying she doesn’ t want the fire to die. Fleasa jokes,“ What about me? What if I die?” To which Antonia offhandedly and awesomely answers: “ ...