Landfill Methane Lands $700K for BillingsLandfill Methane Lands $700K for Billings$700,000. That's how much the City of Billings is getting from Montana-Dakota Utilities (MDU) for the methane gas taken from the city's landfill in 2017, according to Billings City Councilman Larry Brewster. Aaron FlintAaron Flint