Open windows in the home to help ventilate the gas odors. Sprinkle powdered laundry detergent over the spilled gas. The detergent will absorb the gas and help remove odors.
Scoop the saturated detergent carefully off the wood floors with a plastic spatula and discard it in a trashcan. Keep scooping the detergent until you have removed all the spilled gas off the floor.
Add 1/4 cup of trisodium phosphate with 1 gallon of lukewarm water. Mix the TSP and water with a spoon. Moisten a lint-free cloth in the mixture and wipe the lingering gas off the floor with the cloth.
Rinse the cleaning solution off the floor with a clean lint-free cloth dampened with cool water. Wipe dry with a lint-free towel.
Dampen a sponge in white vinegar and wipe the wood floor. Let the vinegar dry on the wood floor to remove lingering gas odors.