European Union lawmakers are set Tuesday to approve a long-sought fix to the bloc’s struggling system for trading carbon-emission rights as Germany and other nations have recently indicated support for the plan to make it more expensive to pollute. The Emissions Trading System was designed to put a price on greenhouse-gas pollution by utilities as the bloc seeks to cut carbon-dioxide emissions by 20% by 2020 versus 1990. But because of an initial oversupply of the emission rights and Europe’s economic slowdown, a surplus of roughly two billion credits has sent their price to €4.50 ($6.17) per metric ton now from a high of nearly €30 per ton five years ago. EU nations have struggled for almost two years to agree on a change that would delay the release of 900 million carbon-emission allowances to market. The European Parliament will vote Tuesday on a proposal to delay the release […]