Given a text, write a compressed version of it in a single sentence.

We share the desire expressed in S. 556 to significantly reduce and cap emissions of SO2, NOx and mercury from power generation. We applaud your acknowledgment of market-based incentives, particularly cap and trade systems, as a powerful tool in environmental protection.
We share the desire expressed in S. 556 to reduce/cap emissions of SO2, NOx and mercury from power generation. We applaud your acknowledgment of market-based incentives (cap and trade systems).