Bio CH4 Renewable Natural Gas | 37 followers on LinkedIn. Bio CH4 produces methane (CH4) natural gas derived from renewable sources replacing fossil fuel-derived natural gases. | We produce, buy and sell bio CH4 is methane natural gas derived from renewable sources and replaces fossil fuel-derived gas. We capture methane gas from landfills, organic waste, and agriculture which gives a significant positive impact on climate change by preventing greenhouse gases from escaping into the atmosphere and replacing fossil fuels.