PNOC-EC vice president Silvestre Punsalan III said there are currently 37 buses running on CNG, and they hope to raise the number to 60 by the end of the year.
Silvestre Punsalan III, vicepresidente de PNOC-EC, dijo que actualmente hay 37 autobuses que funcionan con GNC, y esperan elevar el número a 60 a finales de año.