Successful collaboration: Pronovo and Grexel set a new standard for guarantees of origin for fuels and combustibles
At the beginning of 2025, Pronovo and system provider Grexel successfully introduced the new guarantee of origin system for gaseous and liquid combustibles and fuels. A milestone was thus achieved within a year that is groundbreaking not only for Switzerland, but also throughout Europe. With the newly introduced system of guarantees of origin for combustibles […]