In regulation 36A, for the definition of “sustainable biomethane” substitute—

““sustainable biomethane” means biomethane which, save for ingredients which are added as part of the biomethane production process—

(a)

is made wholly from feedstock which is waste;

(b)

meets the greenhouse gas criteria and is made wholly from feedstock which is solid biomass which meets the land criteria; or

(c)

consists of a combination of any of the biomethane listed in paragraphs (a) and (b); ”.