Poland's environment and climate minister has announced the country will table a motion at a Friday ministerial meeting in Brussels to introduce a maximum price for natural gas.
Poland will offer Germany any crude oil surplus it has after meeting domestic needs, the Climate Ministry told PAP.
Hungary is the only country which opposed a price cap on gas imports to the European Union, said Poland's climate minister on Friday.
The Polish climate minister has denied reports on the alleged high concentration of pesticides and herbicides in the River Odra, which spread in Germany, and has described them as "an unjustified attack against Polish agriculture."
Inspections have not found any evidence of toxic waste discharges into the River Odra where masses of dead fish have been found, the climate and environment minister has said.
Rare microorganisms known as golden algae found in recent water samples from the River Odra could be the source of the river's contamination, a government minister said on Thursday.
Hundreds of firefighters, policemen and soldiers deployed to the Odra have recovered over 100 tonnes of dead fish as scientists continue to scramble to find the cause of the catastrophe.
The results of Polish and German tests of water samples taken from the River Odra, where masses of dead fish had been discovered, are the same, Poland's deputy climate and environment minister has said.
Poland's energy market regulator URE will block price hikes on district system heating, the climate and environment minister said on Friday.
Poland's gas reserves are fully stocked and gas supplies are taking place according to plan, the climate and environment minister said on Thursday.