Cash for Clunkers vote today

The U.S. Senate will vote today on an extension of $2 billion for the Cash for Clunkers program, an initiative to boost auto sales and replace the U.S. fleet with more fuel efficient vehicles. The program is expected to pass without any changes.

Natural Gas report

U.S. Energy Information Administration to release its Natural Gas Weekly Update.

El Paso Corp. 2Q earnings

El Paso Corp., owner of the largest network of natural gas pipelines in the country, will release its second quarter earnings.