H&G Company actively participates in the development of renewable energy market and in introducing up-to-date technologies which aim to improve natural environment conditions. H&G has initiated its activities in environment-friendly fields by laboratory and oil service of units and devices which use fuel from alternative and renewable sources of energy such as: biogas from sewage treatment plants, biogas from landfill sites, biogas from animal farms and mineral methane. We also offer advanced technologies of leachate filtration at landfill sites, and a wide range of oils and lubricants which find application in wind power stations.