Faint smell of gas at the corner of the house comes and goes?

Question

New home next to wetlands. No gas appliance, checked propane tank, lawnmower nothing. No sewer pipes under the property (raised home). Live on long road from street. Any ideas?

Answer 1

probally coming from wet lands propane smells different then natural gas natural gas has a rotten egg smell added to it gasoline smells like gasoline if it is rotten eggs call the gas company in your area and ask them to check it out

Answer 2

may be ghost?