 Shell PLC LSE:SHEL, NYSE:SHELs US1.9bn buyout of Denmarks Nature Energy will make it Europes largest producer of renewable natural gas RNG, marking a large step in the oil giants transition away from fossil fuels. Operating 14 plants and with a development pipeline of around 30 more, Nature Energy Biogas, is a leader in biomethane and renewable energy production from organic waste and is the largest in Europe, according to Shell, which is set to acquire 100 of the company. 