The candidates on energy

'Cap-and-trade' systems, which set a limit on something and allow companies to buy and sell 'allowances' within that limit, have been used in the past to curb air pollution and acid rain. Which candidate endorses a cap-and-trade system for carbon emissions? <!-- // define variables var date = new Date(); var current_time = date.getTime(); // write SCRIPT tag to browser document.writeln(' '); // --> Click 'next' to see the answer.
"Cap-and-trade" systems, which set a limit on something and allow companies to buy and sell "allowances" within that limit, have been used in the past to curb air pollution and acid rain. Which candidate endorses a cap-and-trade system for carbon emissions?
Click "next" to see the answer.
(AP File Photo)