From November 1 the City Hall will for free give the chemical cleanup vouchers to "A" category taxis. 

According to the mayor of Tbilisi Kakha Kaladze, drivers will also receive 20% discount cards from one of the companies for car service.
"You have nothing to pay, just come and get these vouchers", - added Tbilisi mayor.
According to the information of the Tbilisi City Hall, the drivers will receive information about the available service centers.