PUBLIC TRANSPORT IS A FOCUS OF THE MEXICO CITY GOVERNMENT’S CLIMATE CHANGE POLICY. THE CITY PAYS 15,000 PESOS (ABOUT US$1,300) FOR EVERY OLD TAXI AND THE OWNER PAYS THE DIFFERENCE IN PRICE FOR ACQUIRING A NEW LOWER EMISSIONS VEHICLE. ONCE ALL OF THESE VEHICLES HAVE BEEN REPLACED IT IS ESTIMATED THAT DAILY CO2 EMISSIONS FROM TAXIS WILL BE REDUCED BY ABOUT 31%.