California landfill and composting account for about 9 million tons of greenhouse gas emissions every year, according to state estimates. “Ultra-low emissions landfill gas flare … is an approved practice and fully compliant with AQMD regulatory standards.”The engine emission rule appears to be more stringent than the one applying to flaring gas. But pollution regulations are just one problem facing the landfill gas industry. Massive federal subsidies for the use of renewable natural gas are making it competitive with cheap geologic gas for transportation fuel. “We increasingly will roll in renewable natural gas,” Minter said.

Source: Los Angeles Times October 23, 2016 09:56 UTC