Eric Huntington built his dream cabin nestled in the wilderness of central Alaska, eventually raising two daughters there.

The new home's energy-efficient features are already saving them money. The 300-gallon (1,130-liter) diesel tank Huntington filled before moving cost him about $2,400.

The 300-gallon diesel tank Huntington filled before moving cost him about $2,400. Six months later, he still has unused fuel in the tank.