After the sorting of the raw urban garbage, result a lot of RDF. For the companies which administrate the garbage pits, it's not profitable to put the RDF inside the cells underground. Today they pay the companies which have incinerators, or the cement companies, to burn the RDF.
More, more friendly with the environment should be to use the RDF in a gasification installation, in order to produce Hydrogen. The Future of the heavy transport (truks and trains), is the electrical propulsion by Hydrogen reservoire, not by batteries.
In conclusion, my clients are looking for a partner to finance and build an installation such as I described above.