Biogas tech startup Sistema.bio has raised $15 million in funding to expand across Asia, Africa, and Latin America.The funding, led by ElectriFI and supported by existing investors, will drive the company's growth.Sistema.bio's biogas units convert animal waste into clean energy and fertilizer, preventing over 1 million tons of CO2 emissions annually.The company aims to empower one million farmers by 2025 and reduce 1% of global emissions by 2030.