Ruling sets back US emissions trading

smoke stack

Emissions traders have expressed disappointment in a US court decision to overturn a new rule on pollution – a ruling market participants say will further erode confidence in the US emissions market.

The US Court of Appeals in Washington, DC ruled on August 21 to strike down the cross state air pollution rule (CSAPR), which traders had hoped would help lift prices for sulphur dioxide (SO2) and nitrogen oxides (NOx) allowances.

"The market was surprised and disappointed by the ruling," says Paul