[daepp]

As mentioned above, B&S does sell NG/LPG dual fuel generators. Kinda pricy ($3500 for 12Kw) but I am interested nonetheless.

https://www.homedepot.com/p/Briggs-Stratton-12-000-Watt-Automatic-Air-Cooled-Standby-Generator-with-200-Amp-Whole-House-Transfer-Switch-040626/311721244