Even if President Bush vetoes a bill to cap greenhouse gas emissions this year, each of the four remaining presidential candidates has voiced support for a mandatory cap-and-trade system, the consultant said.
The study added that all of the bills under consideration by lawmakers would either bar or severely restrict the transfer of allowances from trading systems in other parts of the world, including the EU's Emissions Trading System and the Kyoto Protocol's Clean Development Mechanism and Joint Implementation programs, which allow emitters to seek offsets in developing countries, where they are relatively cheaper to achieve.
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