RNG

Renewable natural gas (RNG) means a product that meets all the following requirements:
(1) It is produced from biogas.
(2) It does not require removal of additional components to be suitable for injection into the natural gas commercial pipeline system.
(3) It is used to produce renewable fuel.

Source

40 CFR § 80.2

Scoping language

The definitions of this section apply in this part unless otherwise specified. Note that many terms defined here are common terms that have specific meanings under this part.