Chevron Energy Index 1992 100 1993 95 1994 92 1995 91 1996 87 1997 87 1998 84 1999 82 2000 83 2001 79 2002 79 2003 78 2004 76 211243A4 10/8/05 12:13 pm Page 45 46 Accounting for GHGs in Capital Projects Increasingly, governments are employing or evaluating policies to encourage GHG emissions reduction, including carbon taxes, cap and trade programs, voluntary reduction targets, tax incentives and credits for emissions reduction.