European leaders failed to agree on energy prices and the carbon tax. Leaders asked the Commission to review the effects on transport and buildings.
Poland, Hungary, Slovakia, Czechia and Italy opposed expanding emissions trading to heating.
Fuel suppliers would pay for emissions from natural gas, gasoline, and diesel. Spain, the Netherlands, and northern states rejected any delay beyond the deadline.
Negotiations over the final summit wording lasted all day, delaying Costa's agenda. Prime Minister Bart De Wever warned the system would push prices higher.