Experts question 'safety valve' aspect of Bingaman global-warming bill

摘要

A key feature of the major global-warming bill that Senator Jeff Bingaman introduced on July 11 is a "safety valve" provision that would keep emissions allowances from exceeding $12 per ton. But a Senate panel raised serious questions about that approach last week, saying different cost-containing mechanisms are needed to ensure adequate private-sector investment in carbon-capture and storage technologies.