It comes as several TDs have written to the Competition and Consumer Protection Commission to investigate whether filling stations have been price gouging.
The excise on petrol and diesel was cut by a third at midnight last night in response to the rapid increase in the cost of a litre of fuel.
Hauliers and school bus service providers are among those saying they may be forced to park up their trucks and buses, while some motorists say they might have to do the same.
RedFM News drove around the city between 12:30pm and 1:15pm to see what prices are on offer;
The Top Oil garage on the Link road was charging 211.9 for a litre of diesel and 206.9 for petrol after 1pm today.
The Circle K on Vicars Road in Togher is charging 205.9 for both fuels, while the Circle K in Tivoli is selling diesel for 195.9 and petrol for 181.9.
A litre of diesel at the Maxol garages in Tivoli and on the Glasheen Road is priced at 199.9 while petrol is 5 cent cheaper.
Motorists buying diesel and petrol at the Model Farm road Texaco are being charged 198.9 while further down the road, the Lee Garage is offering petrol for 192.8 and diesel for 190.8.
