This report responds to a request from Chairman Henry Waxman and Chairman Edward Markey for an analysis of H.R. 2454, the American Clean Energy and Security Act of 2009 (ACESA). ACESA, as passed by the House of Representatives on June 26, 2009, is a complex bill that regulates emissions of greenhouse gases through market-based mechanisms, efficiency programs, and economic incentives.

Contents	complete report
Errata - as of August 5, 2009
Preface and Contacts
Executive Summary
Background and Scope of Analysis
Addendum
Excel Spreadsheets
Reference
Basic
Zero Bank
High Offsets
High Cost
No International Offsets
No International Offsets / Limited Alternatives
Accelerated CAFE
Low Discount Rate
Limited Alternatives
High Technology
High Banking
Appendixes
Appendix A: Analysis Request Letter
Appendix B: Representing H.R. 2454 in the National Energy Modeling System