Natural gas shall include natural gas and other gaseous fuels blended with natural gas in the transmission and distribution network, such as biogas.
Áireofar i ngás nádúrtha gás nádúrtha agus breoslaí gásacha eile, amhail bithghás, a mheasctar le gás nádúrtha sa ghréasán tarchuir agus dáileacháin.