(July 11, 2023, 9:58 AM EDT) -- MADISON, Wis. — A lawsuit alleging that a property owner was negligent in storing gas and propane containers in a garage below one of the property’s bedrooms must be dismissed because the plaintiffs failed to show that their exposure to gas and propane fumes was the cause of their illness, a Wisconsin federal judge said in granting a motion for summary judgment filed by the property owner and an insurer....